Quantitative Aptitude - Arithmetic Ability Questions

Mr. Rajesh buys a toy for Rs. 27.50 and sells it for Rs. 28.60. Find the gain %.

In the given figure, in triangle STU, ST = 8 cm,TU = 9 cm and SU = 12 cm. QU = 24 cm, SR = 32 cm and PT = 27 cm. What is the ratio of the area of triangle PQU and area of triangle PTR?

If A = 30°, B = 60° and C = 135°, then what is the value of sin3A + cos3B + tan3C – 3sin A cos B tan C?

Two numbers whose sum is 84 can not be in the ratio

If A = 400 and B = 600, then A is how much percentage less than B?

The length of a median of an equilateral triangle is 12√3 cms. Then the area of the triangle is

P and Q can do a project in 60 and 30 days respectively. In how many days can they complete 90% of the project if they work together?

A person lent certain sum of money at 10% per annum simple interest. In 20 years the interest amounted to Rs 500 more than the sum lent. What was the sum lent (in Rs)?