Two successive discounts of 8% and 12% are equal to a single discount of
- 20%
- 19.04%
- 20.96%
- 22%
The correct answer is 20.96%.
P’s income has increased by 10% over last year and will be 20% higher next year. If his last year’s income is Rs 7000 per month, what will it be next year?
- Rs 9240
- Rs 7500
- Rs 9000
- Rs 7850
The correct answer is Rs 9240.
A mixture contains sand and gravel in the ratio 1:4. The sand has 20% impurity. If total mixture weights 10 kg, how much impurity is there?
- 300 g
- 450 g
- 400 g
- 500 g
The correct answer is 300 g.
The population of a city is estimated to be 432000 after 2 years. If the population growth is 20% per annum, what is the current population?
- 310000
- 285000
- 380000
- 300000
The correct answer is 380000.
The price of a house increased by 25% after 10 years, reduces by 25% during the subsequent 10 years. If the present cost is Rs 10 lakh, what will be its cost after 20 years?
- Rs 937500
- Rs 900000
- Rs 850000
- Rs 725000
The correct answer is Rs 937500.
The price of a product of a company increases by 10% and the turnover increases by 10%. What is the change in quantity sold?
- 10%
- 8%
- 20%
- No change
The correct answer is No change.
An alloy contains 10g copper, 20g tin, and 20g silver. What is the percentage of copper in the alloy?
- 20%
- 25%
- 30%
- 11%
The correct answer is 20%.
The price of a television includes the manufacturing cost, 10% sales tax, and 10% profit. What is the manufacturing cost if the price is Rs 14400?
- Rs 10000
- Rs 12000
- Rs 12500
- Rs 9000
The correct answer is Rs 12000.
A class has girls and boys in the ratio 4:5. Among the girls, the ratio of mathematics to physics students is 3:1. If the ratio of mathematics and physics students in the entire class is 3:2, what percentage of class comprises girls studying mathematics?
- 33.3%
- 30%
- 25%
- 18%
The correct answer is 33.3%.
Asha’s income is Rs 12000 per month. She pays 20% tax on monthly income above Rs 2000 and she spends 30% of the remaining income. How much does she save annually?
- 70000
- 60000
- 84000
- 50000
The correct answer is 84000.
A man’s income is increased by Rs 1200 and at the same time, the rate of tax to be paid is reduced from 12% to 10%. He now pays the same amount of tax as before. Calculate the man’s increased income.
- Rs 7000
- Rs 6500
- Rs 7200
- Rs 8000
The correct answer is Rs 7200.
If 10% of an electricity bill is deducted, Rs 45 is still to be paid. How much was the bill?
- Rs 50
- Rs 40
- Rs 35
- Rs 54
The correct answer is