One of the ski lifts at Kulu Manali climbs the mountain in a line that parallels one of the ski runs. Both the run and the lift are two km long, and a...

Angad and Bali traveled on the same road and at the same rate from Delhi to Bhatinda. At the 50th milestone from Bhatinda, Angad overtook a herd of go...

Find the number of ways to distribute 2n different balls into(a) n equal lots(b) equally among n children

In the country of Mayapuri, a person pays numerically the same percent in income tax as he makes in Mayapuri Rupees per month. Then, the maximum amoun...

x+ y+ z=19, x≤ y≤ z, find total number of whole number solutions?

In how many ways can you select exactly 7 letters from 3A, 4B, 2C and 1 D?

The ratio of the ages of Ram and Mohan 12 years ago was 2:3 and the ratio of the ages of Mohan and Sohan 12 years from now will also be 2: 3. If the a...

please help me out in this question too..

Divya and Raveena can do a work alone exactly in 20 and 25 days respectively.However, when they work together, they do 25% more work than is expected....

A and B can do a job in 10 days working together whereas B and C can finish the same job in 15 days working together. If A works for 5 days and B work...

hello sir, kindly help me out to solve this question.

Bebe Sehgal is a musician who consumes a mixture of a concentrated drink 'Glucozade'and Flavoured water 'Flavele' before a live show. She drank a 540 ...

There are seven consecutive natural numbers such that the average of the first five isn. Then the average of all seven numbers will be A. nB. n+1C. kn...

hey sir, help me out to solve this question. In a city a local shuttle train starts from and arrive at the station at fixed intervals and run at unifo...