Quantitative Aptitude - Arithmetic Ability Questions

If cot(A/2) = x, then x is equal to

10 persons can do a job in X days. If 20 persons with twice the efficiency can do the same job in 5 days, then find the value of X?

If the ratio of cost price and selling price be 10:11, then the profit percentage is

Determine the value of 1r+1s when r3+s3=0 and r+s=6 ?

The least number to be added to 13851 to get a number which is divisible by 87 is

How many three digit numbers are there in which all the digits are odd?

What is the sum of all natural numbers between 100 and 400 which are divisible by 13?

What is the reflection of the point (5, -2) in the line y = -1?