Quantitative Aptitude - Arithmetic Ability Questions

A sum fetched a total simple interest of Rs.5,400 at the rate of 12.5 %/yr in 4 years. What is the sum (in Rs)?

When a number is increased by 20, it becomes 116% of itself. What is the number?

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

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?

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

A,B and C together start a business. Three times the investment of A equals four times the Investment of B and the Capital of B is twice that of C. The ratio of share of each in the profit.

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 6/7th of 8/5th of a number is 192, then 3/4th of that number is _____.