Quantitative Aptitude - Arithmetic Ability Questions

You are given a question and two statements. Identify which of the statements is/are sufficient to answer the question.

Question:

What is the total age of the sisters 10 years from now?

Statements:

1. Lina is 20 years old now.

2. Lina's sister's age is twice that of the age of Lina.

Three numbers are in the ratio 1 : 2 : 3 and the sum of their cubes is 4500 .The smallest numbers is

24 men can do a piece of work in 17 days.How many men will be able to do it in 51 days ?

A certain sum of money becomes 4 times of itself in 30 years at a rate of simple interest. In how many years it will become double of itself at the same rate of simple interest?

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

What is the area (in sq cm) of a rhombus if the lengths of its diagonals are 25 cm and 20 cm?

The sum of the length and breadth of a rectangle is 6 cm. A square is constructed such that one of its sides is equal to a diagonal of the rectangle. If the ratio of areas of the square and rectangle is 5 : 2, the area of the square in cm2 is

Which of the following equations has the sum of its roots as 11?