Quantitative Aptitude - Arithmetic Ability Questions

The simplified form of (x + 3)2 + (x - 1)2 is

2sin[(C+D)/2].sin[(D­-C)/2] is equal to

What is the least number that should be added to the product 11 x 12 x 13 x 14 to make it a perfect square?

R borrowed Rs. 1,200 at 13% per annum simple interest. What amount will R pay to clear the debt after 5 years?

Find the least number which when divided by 12, 15, 18 and 27 leaves remainders 10, 13, 16 and 25 respectively.

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.

Find the length of one side of a rhombus whose area is 24 sq.cm and the sum of the lengths of its diagonals is 14 cm.

199994 x 200006 = ?