A can do 1/5th of a job in 10 days, B can do 1/3rd of the job in 25 days. In how many days can they do half of the job working together?

A number is first increased by 15% and it is further increased by 30%. The original number is increased altogether by:

Anand and Deepak started a business investing Rs. 22,500 and Rs, 35,000 respectively. Out of a total profit of Rs. 13,800, Deepak's share is :

A train 110 meters long is running with a speed of 60 kmph. In what time will it pass a man who is running at 6 kmph in the direction opposite to that in which the train is going?

The selling price of a toy cycle was marked as 2100. During sale, 2 consequetive discounts of 20% and 15% was given. The cycle was sold at

A man sells a horse for Rs. 800 and loses something, if he had sold it for Rs. 980, his gain would have been double the former loss. Find the cost price of the horse?

Three numbers are in the ratio 19 : 21 : 23. If the difference between thrice the third number and the sum of first and second number is 841. Find the difference between the first and third number? 

43% profit on cost price. Due to error in weighting machine, it weights 25% more than what it displays on its screen. Then the profit % or loss % he get is

The ratio between the perimeter and the breadth of a rectangle is 5 ∶ 1. If the area of the rectangle is 216 sq. cm what is the length of the rectangle?

The ratio between two numbers is 2 ∶ 3. If their LCM is 150. Then the numbers are

The average marks obtained by Raghav in 15 tests are 25. Zubeida has maintained an average of 23 so far but has taken only 10 of the tests. If each test is out of 30, how much must Zubeida score on average in the remaining 5 tests to still have a chance to match Raghav’s performance?

A can type 10 pages in 5 minutes. B can type 5 pages in 10 minutes. Working together, how many pages can they type in 30 minutes?

LCM of 2/5 , 3/10  and 4/15  is-

In a school, the ratio of the number of boys and girls is 3 ∶ 2. If 30% of the boys and 20% of the girls are scholarship holders, then the percentage of students that do not get scholarships is

If ₹12,800 is invested in a bank for 5 years at the rate of 9% per annum simple interest. what amount is returned by the bank?

Giri started a business with Rs. 35,000 and is joined afterwards by Ganesh with Rs. 60,000. After how many months did Ganesh join if the profits at the end of the year are divided equally?

Two alarm clocks ring their alarms at regular intervals of 144 seconds and 120 seconds. If they first beep together at 6:00 pm, at what time will they beep together again for the next time? 

A 624 litres of mixture contains milk and water in the ratio 19 ∶ 20. How much milk must be added to the mixture so that it contains milk and water in the  proportion of 3 ∶ 2? (In litres)

A train takes 18 seconds to pass completely through a station 162 m long and 15 seconds through another station 120 m long. The length of the train is :