Quantitative Aptitude - Arithmetic Ability Questions

A boy crosses a 300 metres wide road in 30 seconds. What is his speed (in km/hr)?

In what time will Rs.4400 become Rs.4576 at 8% per annum interest compounded half-yearly?

A work can be completed by 18 boys in 24 days. If 6 boys leave after working for 12 days, then how many days will be needed to complete the remaining work?

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

ax + 5y = 8 has slope of -4/3. What is the value of a?

The income of Rahul is Rs 60000 and his expenditure is Rs 40000. If his income is increased by 20% and expenditure in increased by 15%, then what will be the percentage increase in his savings?

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

Find the value of '?' in 512 × 125 ÷ 15625 = 3125 × 25?