Quantitative Aptitude - Arithmetic Ability Questions

If a + b = 4 and ab = 3, then what is the value of a3 + b3?

If the selling price is Rs 855 after getting a discount of 5%, what was the marked price?

What is the value of cosec 3π/4?

The area of a rectangle is 120 sq cm and its perimeter 140 cm. What is the length of its diagonal?

At what rate of compound interest per annum will a sum of Rs 10000 become Rs 12321 in 2 years?

Select the odd word/letters/number/number pair from the given alternatives.

P bought an article for Rs. 1600 and sold it at a profit of 10%. What would have been the increase in the profit percent if it was sold for Rs. 1840?

A fan was sold for Rs. 3600 at a loss of 4%. What would be the gain or loss percent ifit was sold for Rs. 4200?