Multiple Choice QuestionsThe 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
B.
60 paise
Let the original price of sugar be ₹ x
∴ Reduced price of sugar = 90% of x = ₹ 9x/10.
Now, according to the question,
∴ Original price of sugar = ₹ 6
Reduced price of sugar will be
∴ Required difference = ₹ (6 - 5.40) = ₹ 0.60 or 60 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
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