Quantitative Aptitude - Arithmetic Ability Questions

If 2x - 5y = 5 and 2x - y = 9, then x - y is ______.

What is the simplified value of 12-13 ?

Select the odd number from the given alternatives.

What is the value of √[(1 ­- cosA)/(1 + cosA)]?

tanAcosec2A is equal to

Ramesh and Rahman can do a work in 20 and 25 days respectively. After doing collectively 10 days of work, they leave the work due to illness and Suresh completes rest of the work in 3 days. How many days Suresh alone can take to complete the whole work ?

The volume of a cube is 166.375 cm3. Find its side (in cm).

(1132 + 1152 + 1172 - 113 x 115 - 115 x 117 - 117 x 113) is equal to