Who is the author of the book ‘The Forest Problem of

Select the option that is related to the third number in the same way as the second number is related to the first number.

12 : 60 :: 16 : ?

In how many days can ‘Q’ alone complete the work?

I. P, Q and R together can complete the work in 9`(3)/(13)` days.

There are total 200 students in a school, of which 1/5 are boys. Find the number of girls in the school.

If sin x = 4/5, then Cosecx + Cot X =

The value of λ for which the 2 vectors 2i – j + 2k and 3i + λ j + k are perpendicular is 

Which of the following is equivalent to 

Evaluate

If the sum of the digits of a three digit number is subtracted from that number, then it will always be divisible by