Quantitative Aptitude - Arithmetic Ability Questions

A,B and C contract a work for Rs. 440. Together A and B are to do 9/11 of the work. The share of C should be:

Selling price of an article is Rs 1144. If loss percentage is 12%, then what is the cost price (in Rs) of article?

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

If a3+ b3 = 19 and a + b = 1, then what is the value of ab?

Giving two successive discounts of 20% is same as giving one discount of ________ %.

An engineering student has to secure 36% marks to pass. He gets 53 and fails by 37 marks. Find the maximum marks.

The average of 12 numbers is 35. If four numbers 20, 27, 15 and 29 are removed then what will be the average of remaining numbers?

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?