Quantitative Aptitude - Arithmetic Ability Questions

Find the value of 27a3 + 1a3, if 9a2 + 1a2 = 43

Find the value of x if 0.08x + 0.04y = 10 and 0.2(x-1) + 0.4y = 24.8

If 9/4th of 7/2 of a number is 126, then 7/2th of that number is _____.

Which of the following numbers is not a prime number?

A person bought an item for Rs. 1500 and sold it at a profit of 12%. What was the selling price of the item?

When a number is divided by 63 the remainder is obtained as 26. What will be the remainder when the number is divided by 3?

If 2pp2-2p+1 = 14, then the value of (p + 1/p) will be

John is 15 years younger than Jill, 12 years ago, Jill's age was 1.5 times that of John. Jill is now ___ years old.