Quantitative Aptitude - Arithmetic Ability Questions

26% of a number is 65. What is the number?

If y=2secθ and x=3tanθ then x29-y24 is

The surface area of a sphere is 1386 cm2.  Find its diameter (in cm)

12 men and 16 women together can complete a work in 4 days. It takes 80 days for one man alone to complete the same work, then how many days would be required for one woman alone to complete the same work?

Of the 3 numbers whose average is 112, the first is 3/13 times the sum of other 2. The first number is _____.

If 1 dupatta is offered free on purchase of 4 dupattas priced Rs 1300 each what is the effective discount on each dupatta?

Coefficient of x in (x + 8)(6 -­ 3x) is

If x2-3x+1=0, then x+1x is (x≠0)