Quantitative Aptitude - Arithmetic Ability Questions

How many balls of radius 2 cm can be made by melting a bigger ball of diameter 16 cm? (Take π = 22/7)

A shopkeeper purchased a chair whose marked price is Rs 1400, at two successive discount of 20% and 30% respectively. If he sells the chair for Rs 1176, then what is the profit percentage?

3cosA is equal to

Determine the value of 'x' in x = 11+2+12+3+13+2

A sum of Rs 20000 becomes Rs 32000 in 12 years, when invested in a scheme of simple interest. If the same sum is invested in a scheme of compound interest with same yearly interest rate (compounding of interest is done yearly), then what will be the amount (in Rs) after 2 years?

All rational numbers are ____ numbers.

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

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