Anil, Deepak, and Dinesh together can complete a work in 35 days. Anil and Dinesh together can complete the same work in 60 days. In how many days Deepak alone can complete the same work?

The largest number, which divides 25, 73 and 97 to leave the same remainder in each case, is 

The curved surface area of a cylindrical pillar is 264 square meter and its volume is 924 cubic meters. Find the ratio of its diameter to its height.

Anurag can walk a certain distance in 52 days when he rest 10 hours a day, how long will he take for twice the distance, If he walks twice as fast and rests twice as long each day? 

Simplify the following equations.
1 ÷[{p²/(p+6)}+{6p/(p+6)}]

Directions : What should come in place of the question mark (?) in the following number series? 

87 89 95 107 ? 157 

If for an edition of the book, the cost of paper is Rs. 56250, then find the promotion cost for this edition?

What will come in place of question mark(?) in the following number series?
119 , 131, 155, 191, 239, (?)