Exercise: Percentage
Questions for: Percentage
The population of a town increased from 1,75,000 to 2,62,500 in a decade. The average percent increase of population per year is:
Answer: B
Increase in 10 years = (262500 - 175000) = 87500.
| Increase% = |  |
87500 | x 100 |  % = 50%. |
| 175000 |
 Required average = |
|
50 | % = 5%. |
| 10 |
Rajeev buys good worth Rs. 6650. He gets a rebate of 6% on it. After getting the rebate, he pays sales tax @ 10%. Find the amount he will have to pay for the goods.
Answer: A
| Rebate = 6% of Rs. 6650 = Rs. | |
6 | x 6650 | |
= Rs. 399. |
| 100 |
| Sales tax = 10% of Rs. (6650 - 399) = Rs. | |
10 | x 6251 | |
= Rs. 625.10 |
| 100 |
Final amount = Rs. (6251 + 625.10) = Rs. 6876.10
Video Explanation: https://youtu.be/XuiggCTh3SU
Gauri went to the stationers and bought things worth Rs. 25, out of which 30 paise went on sales tax on taxable purchases. If the tax rate was 6%, then what was the cost of the tax free items?
Answer: C
Let the amount taxable purchases be Rs. x.
| Then, 6% of x = | 30 |
| 100 |
 x = |
|
30 | x | 100 | = 5. |
| 100 | 6 |
Cost of tax free items = Rs. [25 - (5 + 0.30)] = Rs. 19.70
Two tailors X and Y are paid a total of Rs. 550 per week by their employer. If X is paid 120 percent of the sum paid to Y, how much is Y paid per week?
Answer: B
Let the sum paid to Y per week be Rs. z.
Then, z + 120% of z = 550.
| z + |
120 | z = 550 |
| 100 |
| |
11 | z = 550 |
| 5 |
| z = |
|
550 x 5 | = 250. |
| 11 |
Three candidates contested an election and received 1136, 7636 and 11628 votes respectively. What percentage of the total votes did the winning candidate get?
Answer: A
Total number of votes polled = (1136 + 7636 + 11628) = 20400.
| Required percentage = |
|
11628 | x 100 | % = 57%. |
| 20400 |
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