InterviewSolution
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This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
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» 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 | |
| 2. |
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» 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 | |
| 3. |
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» 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 | |
| 4. |
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» Increase in 10 years = (262500 - 175000) = 87500. Increase% = 87500 x 100 % = 50%. 175000 Required average = 50 % = 5%. 10 | |
| 5. |
If 20% of = , then % of 20 is the same as: |
| Answer» 20% of a = b 20 a = b. 100 b% of 20 = b x 20 = 20 a x 1 x 20 = 4 a = 4% of a. 100 100 100 100 | |
| 6. |
Two numbers A and B are such that the sum of 5% of A and 4% of B is two-third of the sum of 6% of A and 8% of B. Find the ratio of A : B. |
| Answer» 5% of A + 4% of B = 2 (6% of A + 8% of B) 3 5 A + 4 B = 2 6 A + 8 B 100 100 3 100 100 1 A + 1 B = 1 A + 4 B 20 25 25 75 1 - 1 A = 4 - 1 B 20 25 75 25 1 A = 1 B 100 75 A = 100 = 4 . B 75 3 Required ratio = 4 : 3 Video Explanation: YouTube Video | |
| 7. |
In an election between two candidates, one got 55% of the total valid votes, 20% of the votes were invalid. If the total number of votes was 7500, the number of valid votes that the other candidate got, was: |
| Answer» Number of valid votes = 80% of 7500 = 6000. Valid votes polled by other candidate = 45% of 6000 = 45 x 6000 = 2700. 100 | |
| 8. |
A batsman scored 110 runs which included 3 boundaries and 8 sixes. What percent of his total score did he make by running between the wickets? |
| Answer» Number of runs made by running = 110 - (3 x 4 + 8 x 6) = 110 - (60) = 50. Required percentage = 50 x 100 % = 45 5 % 110 11 Video Explanation: https://youtu.be/X2zTnABqEHU | |
| 9. |
Two students appeared at an examination. One of them secured 9 marks more than the other and his marks was 56% of the sum of their marks. The marks obtained by them are: |
| Answer» Let their marks be (x + 9) and x. Then, x + 9 = 56 (x + 9 + x) 100 25(x + 9) = 14(2x + 9) 3x = 99 x = 33 So, their marks are 42 and 33. | |
| 10. |
A fruit seller had some apples. He sells 40% apples and still has 420 apples. Originally, he had: |
| Answer» Suppose originally he had x apples. Then, (100 - 40)% of x = 420. 60 x x = 420 100 x = 420 x 100 = 700. 60 Video Explanation: https://youtu.be/-Pv25Do3WwY | |
| 11. |
What percentage of numbers from 1 to 70 have 1 or 9 in the unit's digit? |
| Answer» Clearly, the numbers which have 1 or 9 in the unit's digit, have squares that end in the digit 1. Such numbers from 1 to 70 are 1, 9, 11, 19, 21, 29, 31, 39, 41, 49, 51, 59, 61, 69. Number of such number =14 Required percentage = 14 x 100 % = 20%. 70 Video Explanation: https://youtu.be/cBamI6iRNIA | |
| 12. |
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» Total number of votes polled = (1136 + 7636 + 11628) = 20400. Required percentage = 11628 x 100 % = 57%. 20400 | |