The value of a machine depreciates every year at the rate of 10% on its value at the beginning of that year. If the current value of the machine is ₹ 729, then its worth 3 yr ago was

• ₹ 947.10

• ₹ 800

• ₹ 1000

• ₹ 750.87

The price of sugar having gone down by 10%, a consumer can buy 5 kg more sugar for ₹ 270. The difference between the original and reduced price per kg is

• 62 paise

• 60 paise

• 75 paise

• 53 paise

A reduction in the price of apples enables a person to purchase 3 apples for ₹ 1 instead of ₹ 1.25. What is the per cent of reduction in price (approximately)?

• 20

• 25

• 30

• 

The population of a town increases by 5% every year. If the present population is 9261, the population 3 yr ago was

• 8000

• 7500

• 5700

• 6000

32% of a number exceeds 17% of the same number by 120. What is the value of the number?

• 900

• 860

• 940

• 800