Quantitative Aptitude - Arithmetic Ability Questions

A vendor buys 12 bananas for Rs 60 and sells 5 bananas for Rs 32. What will be his gain (in %)?

If a is positive and a2+1a2 = 7, then a3 + 1a3 = ?

Simple interest on a certain sum of money for 3 years at 14% per annum is half the compound interest on Rs. 10000 for 2 years at 10% per annum. The sum placed on simple interest is

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

Find out the odd word/letters/number/number pair from the given alternatives.

If 25% of an electricity bill is deducted, Rs 1788 is still to be paid. How much was the bill?

When a number is increased by 18, it becomes 106% of itself. What is the number?

If two successive discounts of 30% and 10% are given, then what will be the ratio of marked price to selling price?