Quantitative Aptitude - Arithmetic Ability Questions

If (9 - 3x) - (17x - 10) = -1, then the value of x is

If Cot θ = 21/20, then what is the value of Cosec θ?

When a number is increased by 26, it becomes 113% of itself. What is the number?

Mukesh got series of discount 30%, 25%, 15% on his shirt. Find out the single equivalent discount.

If X is a prime number, LCM of X and its successive number would be

Two valves P and B can fill a sump in 37.5 minutes and 45 minutes respectively. Both valves are opened. The sump will be filled in just 30 minutes, if valve B is turned off after

What is the average of first 19 odd numbers?

The average monthly salary of 19 members of a group is Rs. 16000. If one more members whose monthly salary is Rs. 20000 has joined the group, then the average salary of the group is