DECE JOB ENTRANCE,RRB GROUPD & NTPC FULL MOCK-02 January 1, 2025December 29, 2024 by admin/26 42 DECE JOB ENTRANCE,RRB GROUPD & NTPC FULL MOCK-02DECE JOB ENTRANCE,RRB GROUPD & NTPC FULL MOCK-02 1 / 26How many such pairs of letters are there in the given word which have as many letters between them in the word (in both the forward and backward directions), as in the English alphabet?CORPORATION 4 1 5 3 The logic follows here is:Given word:CORPORATIONThe given word can be represented as shown below:In the forward direction → “PR”, “RT” and “PT”In the backward direction → “NO” and “OP”.Thus there are 5 pairs of a letter in the word ‘CORPORATION’ each of which has as many letters between them in word as they have between them in the English alphabetical series.Hence, the correct answer is “5”.2 / 26Choose the year of establishment of National Bank for Agriculture and Rural Development from the following options? 1984 1980 1981 1982 The correct answer is 1982.Key PointsNational Bank for Agriculture and Rural Development:-NABARD is a development bank concentrating principally on the rural sector of the country.It is the apex banking institution to provide finance for Agriculture and rural development.Its headquarters is located in Mumbai.The Reserve Bank of India (RBI) at the demand of the Government of India, constituted a Committee to Review the Arrangements For Institutional Credit for Agriculture and Rural Development (CRAFICARD) in 1979, under the Chairmanship of Shri B. Sivaraman, a former member of Planning Commission.In the year 1982, CRAFICARD recommended the establishment of a developmental bank, and accordingly, NABARD was set up.3 / 26In the given arrangement below, how many such alphabets are there which are immediately followed by a symbol and immediately preceded by a prime number ?F $ 5 A % & D 4 G @ C 3 X * T 1 9 3 4 1 2 Given series:F $ 5 A % & D 4 G @ C 3 X * T 1 9Condition to be checked:1. Alphabets which is immediately preceded by a prime number.2. Alphabets which is immediately followed by a symbol.Prime number → Alphabet → SymbolF $ 5 A % & D 4 G @ C 3 X * T 1 9Thus there are two such patterns (5 A %, 3 X *) that are following the above conditions.Hence,“2” is the correct answer.Mistake PointsImmediately preceded by means immediately before or to come just before.Immediately followed by means immediately after or to come just after.4 / 26Find the next term in the series.301, 609, 925, 1249, 1581, ? 1561 1841 1921 1651 The logic followed here is as follows:Hence, the next term is “1921”.5 / 26Select the option that is related to the third term in the same way as the second term is related to the first term and the sixth term is related to the fifth term.6 ∶ 136 ∶∶ 8 ∶ ? ∶∶ 12 ∶ 568 248 284 244 288 6 / 26Select the pair that follows the same pattern as that followed by the given two sets of pairs. Both pairs follow the same pattern.JIG : TSQPOM : ZYW ABD : IJG CBZ : MLJ DEB : FED LJH : OPQ The positions of the letters according to the English alphabet series:The pattern for this is as follows;And;Similarly;Hence, the correct answer is “CBZ : MLJ“.7 / 26The first ever gold coins in India were issued by the _______ dynasty. Kushana Chola Gupta Maurya The correct answer is Kushana. Key PointsThe Kushanas had originally belonged to the regions of western China. They are also known as the ‘Yuehchis’.The first-ever gold coins in India were issued by the Kushana dynasty.The first important ruler of the Kushana dynasty was ‘Kujula Kadphises’ or Kadphises I.Kanishka usurped the throne in AD 78, and then started a new era, what is known to us as the ‘Shaka era’. He was the greatest king of the Kushana dynasty.Kanishka is credited with convening the fourth Buddhist Council at Kundalavan, located at present day Harwan near Srinagar in J&K.In this council that Buddhism got split into two different schools – Hinayana and Mahayana.Kanishka is also known to patronize the Gandhara and Mathura schools of sculptural art.Kanishka also patronized the famous physician of ancient India Charaka.8 / 2615 A B C D 9 / 26Which feature of a word processing software such as Microsoft Word enables the creation of a table of contents based on document headings? Hyperlinks Styles Spelling and Grammar Check Mail Merge The correct answer is Styles.Key PointsStyles are a feature of word processing software that allow you to format text with a consistent look and feel.In Microsoft Word, there are many different styles available, including heading styles, body text styles, and table styles.When you create a table of contents in Microsoft Word, the software uses the heading styles in your document to create the table.The heading styles tell the software what level of heading each section is, and the software then creates the table of contents accordingly.For example, if you use the Heading 1 style for the main sections of your document, and the Heading 2 style for the subsections, then the table of contents will show the main sections at the top level, and the subsections indented below them.Additional InformationHyperlinks are used to link to other parts of a document or to websites.Spelling and grammar check are used to check for spelling and grammar errors in a document.Mail merge is used to create personalized letters or emails.10 / 26Transistor-based computer systems were developed in _________ generation of computers. first second third fourth The correct answer is Second.Key PointsSecond-generation computers were based on Transistors instead of vacuum tubes.1959-1965 is the period of second-generation computers.Additional InformationList of generations of computers:GenerationDurationElectronic Component UsedFirst Generation Computers1946-1954Vacuum TubesSecond Generation Computer1955-1964TransistorsThird Generation Computer1964-1977Integrated CircuitsFourth Generation Computer1978 – PresentVLSI or MicroprocessorsFifth Generation ComputerPresent and FutureULSI or Bio-Chips11 / 26Isotope of Cobalt is used in treatment of : Cancer Goitre Skin allergy Tooth decay The correct answer is Cancer.Key PointsIsotopes are Atoms of a chemical element that have the same atomic number but a different atomic mass.For example 5B10 and 5B11Isotope of Cobaltabundancehalf-life (t1/2)58Co27Synthetic70.86 d59Co27100%Stable60Co27Trace5.2714 yKey PointsCobalt-60, a radioactive isotope of cobalt used in industry and medicine.Cobalt-60 is the longest-lived isotope of cobalt, with a half-life of 5.27 years.It is produced by irradiating the stable isotope cobalt-59 with neutrons in a nuclear reactor.Cobalt-60 is used in the inspection of materials to reveal internal structure, flaws, or foreign objects and in the sterilization of food.In medicine, it is used to treat cancer and to sterilize medical equipment.Hence we can conclude that the Isotope of Cobalt is used in the treatment of Cancer.Additional InformationIodine-131 (I131) is used to treat Goitre and thyroid cancer.The Rhenium-SCT (Skin Cancer Therapy) is brachytherapy utilizing the Beta emitter radioisotope Rhenium-188 (Re188) for the treatment Non-Melanoma Skin Cancer. Phosphorus-32 (P32) is widely used for cancer detection and treatment, especially in eyes and skin cancer.12 / 26Which of the following is the correct match of the column-A column-B?Column-A (Type of Rock)Column-B (Example)i.Sedimentary rocksa.Graniteii.Igneous rocksb.Limestoneiii.Metamorphic rocksc.Gneiss i – a, ii – c, iii – b i – c, ii – b, iii – a i – c, ii – a, iii – b i – b, ii – a, iii – c The correct answer is i – b, ii – a, iii – cKey PointsLithification:It refers to the process by which loose and under-consolidated sediment particles transform into hard and solid rocks.This process includes a number of geological processes, such as consolidation, deep bury, cementation, recrystallization, and dehydration.Igneous Rocks:As igneous rocks form out of magma and lava from the interior of the earth, they are known as primary rocks.The igneous rocks (Ignis – in Latin means ‘Fire’) are formed when magma cools and solidifies.When magma in its upward movement cools and turns into a solid form it is called igneous rock.The process of cooling and solidification can happen in the earth’s crust or on the surface of the earth.Igneous rocks are classified based on texture which depends upon the size and arrangement of grains or other physical conditions of the materials.Granite, gabbro, pegmatite, basalt, volcanic breccia, and tuff are some examples of igneous rocks.Sedimentary RocksThe word ‘sedimentary’ is derived from the Latin word sediment, which means settling.Rocks (igneous, sedimentary, and metamorphic) of the earth’s surface are exposed to denudational agents and are broken up into various sizes of fragments.Such fragments are transported by different exogenous agencies and deposited.These deposits through compaction turn into rocks.In many sedimentary rocks, the layers of deposits retain their characteristics even after lithification.Hence, we see a number of layers of varying thickness in sedimentary rocks like sandstone, shale, geyserite, chalk, limestone, coal etc.Metamorphic RocksMetamorphic means ‘change of form’.These rocks form under the action of pressure, volume, and temperature (PVT) change.Metamorphism occurs when rocks are forced down to lower levels by tectonic processes or when molten magma rising through the crust comes in contact with the crustal rocks or the underlying rocks are subjected to great amounts of pressure by overlying rocks.Metamorphic rocks are formed due to the proximity of sedimentary rocks with molten magma.Mechanical disruption and reorganization of the original minerals within rocks due to breaking and crushing without any appreciable chemical changes are called dynamic metamorphism.Examples- Marble, Quartzite, Schist, etc.Additional InformationFoliation:In the process of metamorphism in some rocks grains or minerals get arranged in layers or lines.Such an arrangement of minerals or grains in metamorphic rocks is called foliation or lineation.13 / 26Find the average of the prime numbers between 40 and 80. 59.4 57.2 61.5 63.3 Given:Prime numbers between 40 and 80.Formula used:Average = The sum of values ÷ The count of valuesCalculations:The primes between 40 and 80 are: 41, 43, 47, 53, 59, 61, 67, 71, 73, and 79.The sum of these primes = 41 + 43 + 47 + 53 + 59 + 61 + 67 + 71 + 73 + 79 = 594The count of these primes = 10.The average = 594/10 = 59.4.∴ The average of the prime numbers between 40 and 80 is 59.4.14 / 26A and B complete a work in 6 days. If A alone can do the same work in 10 days then B alone will do it in how many days? 8 days 12 days 16 days 15 days Given:Time taken by A and B = 6 daysTime taken by A = 10 daysFormula used:Total work = Time taken × EfficiencyCalculation:L.C.M of (6 and 10) = 30 = Total workEfficiency of A and B = 30/6 = 5 units/dayEfficiency of B = 30/10 = 3 units/dayEfficiency of B = (5 – 3) units/day⇒ 2 units/dayTime taken by B = 30/2 days⇒ 15 days∴ B will complete the work in 15 days15 / 26Pushyamitra, who was the commander of Brihadratha, the last Mauryan emperor, killed the king and established a new dynasty. Which of the following was his dynasty? Shunga Satavahana Chedi Kanva correct answer is Shunga.Key Points Pushyamitra Shunga, the commander of Brihadratha, killed the last Mauryan emperor and established the Shunga dynasty.The Shunga dynasty ruled over a significant part of the Indian subcontinent, with its capital at Pataliputra (modern-day Patna).The Shunga rulers were known for their patronage of Brahmanism, marking a shift from the Buddhist leanings of the preceding Mauryan dynasty.He performed Vedic sacrifices such as Ashvamedha, Rajasuya and Vajapeya.Pushyamitra Sunga patronised the Sanskrit grammarian Patanjali. Last Sunga king was Devabhuti.Additional InformationThe Chedi dynasty was founded by Vindhya Shakti. The Kanva dynasty was founded by Vasudeva Kanva .It is believed that Vasudeva Kanva killed the Shunga ruler Devabhuti and established his own empire in 72 BCE.Kanva dynasty had a ruling phase from 72 BCE to 28 BCE.The Satavahana dynasty was founded by Simuka.The Satavahana rule is believed to have started around the third century BC, in 235 BC and lasted until the second century AD.Pratishthana (Paithan) and Amaravati were its capitals.major rulers of the Satvahana dynasty were – Satakarni, Hala, Gautamiputra Satakarni.16 / 26Two statements are given followed by three conclusions numbered I, II and III. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements.Statements:All keys are locks.No door is a lock.Conclusions:I. Some locks are doors.II. Some locks are keys.III. No key is a door. Both conclusions I and II follow Conclusions I, II and III follow Both conclusions II and III follow Both conclusions I and III follow. Given Statements:I. All keys are locks.II. No door is a lock.The least possible Venn diagram for the given statement is:Conclusions:I. Some locks are doors – False (Because, No door is a lock).II. Some locks are keys – True (Because, All keys are locks implies that Some locks are keys).III. No key is a door – True (Because, All keys are locks and No door is a lock, so No key is a door).So, Both conclusions II and III follow.Hence, the correct answer is “Option 3”.17 / 26Who among the following was the last Peshwa of the Maratha Empire ? Baji Rao ll Narayan Rao Raghunath Rao Madhav Rao II The correct answer is Baji Rao II.Key PointsThe last Peshwa of the Maratha Empire was Baji Rao II.Baji Rao II, the son of the former Peshwa Raghunathrao, was the last Peshwa of the Maratha Empire and ruled from 1795 to 1818.Nana Sahib, also known as Dhondup Pant, was the adopted son of the last Peshwa Baji Rao II.Indian Peshwa of the Maratha empire, Nana Sahib led the rebellion in Kanpur by motivating the rebels against British rule.18 / 26Who inaugurated the Surat diamond exchange, which has become the world’s largest office complex? Narendra Modi Amit Shah Bhupendra Patel Acharya Devvrat The Correct answer is Narendra Modi.In NewsPM Modi Inaugurates Surat Diamond Exchange, World’s Largest Office.Key PointsPrime Minister Narendra Modi inaugurated the Surat diamond exchange, a complex that has overtaken Pentagon as the world’s largest office.The SDB aims to shift the entire diamond trading business from Mumbai to Surat.It also aims to boost business, attract international clients, and create a significant economic impact on the region.The project is part of the Diamond Research and Mercantile (DREAM) City, a greenfield project spread over nearly 700 acres.Additional InformationSurat is the hub of diamond cutting and polishing.It is the world’s biggest centre for cutting and polishing, accounting for 90% of the diamonds traded globally.Surat is located beside the Tapi River in the west Indian state of Gujarat.Historically it was known for silk weaving and remains a commercial center for textiles.19 / 26What will be the volume of a cube whose total surface area is 1944 cm2? 5832 cm3 3888 cm3 729 cm3 972 cm3 GivenTotal surface area of cube = 1944 cm2Formula usedTotal surface area of cube = 6(side)2Volume of cube = (side)3CalculationLet side of a cube is a cm.6a2 = 1944⇒ a2 = 1944/6⇒ a2 = 324⇒ a = 18 cmVolume of a cube = (18)3⇒ 18 × 18 × 18⇒ 5832 cm2∴ The volume of a cube is 5832 cm220 / 26In a certain code language, ‘BARBIE’ is written as ‘222’, ‘ELSA’ is written as ‘148’. How will ‘ARIEL’ be written in that language? 325 225 420 125 Here, we use the table given below:Logic: Code = [(Addition of all letter’s position value) × (Number of letters)]‘BARBIE’ is written as ‘222’ →‘ELSA’ is written as ‘148’ →Similarly, ‘ARIEL’ will be written as:Here, the code for ‘ARIEL’ is ‘225’.Hence, the correct answer is “Option (2)”.21 / 26Which European power was the first to establish a trading post in India? The British The Portuguese The French The Dutch The correct answer is The PortugueseKey PointsThe Portuguese were the first European power to establish a trading post in India. Vasco da Gama, a Portuguese explorer, was the first European to reach India by sea, landing in Calicut (present-day Kozhikode, Kerala) in 1498.This marked the beginning of the Portuguese era in India. They established their first fort in Cochin in 1503 and later, in 1510, they captured Goa, which became the capital of the Portuguese possessions in the East.The Dutch (The Netherlands), the British, and the French came later.The Dutch East India Company was established in 1602, the British East India Company was formed in 1600 but they established their first factory in Surat, India in 1613, and the French East India Company was established much later in 1664.22 / 26Which isotope is used in the treatment of goitre? Iodine 131 Cobalt 60 Sodium 24 Uranium 235 The correct answer is Iodine 131.Key PointsA goitre is a lump or swelling at the front of the neck caused by a swollen thyroid.Goitre is an adaptive reaction of the cells in your thyroid to any process that blocks thyroid hormone production.The most common cause of goiter worldwide is iodine deficiency.It is treatable.Iodine-131 is a radioactive isotope used in the treatment of goitre.Additional InformationCobalt-60 is used in the medical treatment of fatal diseases like cancer.Uranium-235 is used for nuclear fission and the production of electricity.Sodium-24 is used for the detection of cracks (leakage) in the underground pipes.23 / 26Find the mean proportional between 3 and 27. 5 9 10 6 Given:a = 3, b = 27Formula used:Mean proportional = √(a × b)Calculations:⇒ Mean proportional = √(3 × 27)⇒ Mean proportional = √(81)⇒ Mean proportional = 9Therefore, the mean proportional between 3 and 27 is 9.24 / 26 80 1 7/5 1/60 25 / 2674“>7/4 th of a number is 36 more than the number itself. The number is: 64 56 48 42 26 / 26Which one of the following elements is present in green pigment of leaf? Magnesium Phosphorus Iron Calcium The correct answer is Magnesium.Key PointsThe green pigment of the leaf is called Chlorophyll which has Magnesium(Mg) involved in its structure which imparts the green color of the leaf.Some other pigments responsible for the color of the leaf are:PigmentColourCarotenoids Bright yellow-orange (Sunflower)AnthocyaninsPink-redBetalainsRed or YellowYour score is