InterviewSolution
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InterviewSolution
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. |
The cost price of 12 pens is equal to selling price of 10 pens. Find the profit percentage. |
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Answer» Let the C.P of one pen be Rs. 1 ∴ C.P of 12 pens = Rs. 12 Given S.P. of 10 pens = C.P. of 12 pens. S.P. of 10 pens = Rs. 12 C.P of 10 pens = Rs. 10 ∴ S.P > C.P So there is gain Gain = S.P – C.P= 12 – 10 = 2 Gain percent = \(\frac{Gain}{C.P}\) × 100 = \(\frac{2}{10}\)× 100 = 20 % Gain percent = 20% |
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| 2. |
In a school 30% students play chess 60% play carrom and the rest play other games. If the total number of students in the school is 900 find the exact number of students who play each game. |
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Answer» 30% Students play chess. Total number of students is 900. The number of players who play chess = 30% of 900. = \(\frac{300}{100}\) × 900 = 270 The number of players who play carrom board = 60% of 900 = \(\frac{60}{100}\)× 900 = 540 The number of players who play other games = 10% of 900 = \(\frac{10}{100}\) × 900 = 90 |
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| 3. |
In a school function Rs. 360 remained after spending 82% of the money. How much money was there in the beginning? verify your answer. |
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Answer» Let the money in the beginning be Rs. 100 The money spent is Rs. 82. ∴ The amount remaining is 100 – 82=Rs. 18. If the remaining money is Rs. 18 the money in beginning is Rs. 100. If the remaining money is Rs. 360 the money in the beginning is = \(\frac{100}{18}\) × 360 = 2000 Verification : \(\frac{82}{100}\)× 2000 = 1640 Money remained = 2000 – 1640 = Rs. 360. |
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| 4. |
A dress is sold at Rs. 550 after allowing a discount of 12%. Find its marked price. |
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Answer» S.P. = Rs. 550 Rate of discount = 12% Let the marked price be Rs. 100. Then S.P= 100 – 12 = 88 If S.P. is Rs. 88 then marked price is Rs.100 If the S.P. is Rs. 550 the M.P. is \(\frac{100\times550}{88} = \frac{55000}{88}\) = 625 Marked price = Rs. 625. |
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| 5. |
Akshay’s income is 20% less than that of Ajay what percent is Ajay’s income more than that of Akshay? |
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Answer» Let Ajay’s income be Rs. 100. Then Akshay’s income is (100 — 20) = Rs. 80. If Akshay’s income is Rs. 80. Ajay’s income is Rs. 100. If Akshay’s income is Rs. 1 Ajay’s income is \(\frac{100}{80}\)× 1 = Rs.\(\frac{100}{80}\) Changing the scale to 100. Ajay’s income is Rs. 100 Akshay’s income is = \(\frac{100}{80}\) × 100 = 125 ∴ Ajay’s income is 125 – 100 = 25% more than that of Akshay. |
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| 6. |
An article marked Rs. 800 is sold for Rs. 704. Find the discount and discount percent. |
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Answer» MP = Rs. 800. S.P= Rs. 704 Discount = MP – S.P = 800 – 704 = Rs. 96 Discount percentage = \(\frac{Discount}{M.P}\)× 100 = \(\frac{90}{800}\) × 100 = 12 % |
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| 7. |
A daily wage employee spends 84% of his weekly earning. If he saves Rs. 384 find his weekly earning. |
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Answer» Let his weekly earning be Rs. 100. His expenditure is Rs. 84. Therefore his savings is (100 – 84) = Rs. 16 If the savings is Rs. 16 then the income is Rs. 100. If the savings is Rs. 384 then the income is = \(\frac{100}{16}\) × 384 = Rs.2400 ∴ His weekly earning is Rs. 2400. |
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| 8. |
Sonu bought a bicycle for Rs. 3750 and spent Rs. 250 on its repairs. He sold it for Rs. 4400. Find his loss or profit percentage. |
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Answer» C.P = 3750 + 250 = Rs. 4000 S P = Rs. 4400 S.P > C.P ∴ S.P – C.P = 4400 – 4000 = Rs. 400 Profit percent = \(\frac{profit}{C.P}\)× 100 = \(\frac{400}{4000}\) × 100 = 10 Profit percent = 10% |
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| 9. |
A share agent sells 2000 shares at Rs. 45 each and gets the commission at the rate of 1.5%. Find the amount the agent gets. |
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Answer» The S.R of 1 share = Rs. 45 The S.P. of 2000 shares = 2000 × 45 = Rs. 90,000 The rate of commission = 1.5% ∴ The commission = \(\frac{1.5\times 9000}{100}\) = Rs. 1350.0 The agent gets Rs. 1350. |
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| 10. |
A factory announces a bonus of 10% its employees. If an employee gets Rs. 10,780 find his actual salary. |
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Answer» Let the salary of the employee be Rs. 100. He gets a bonus of Rs. 10. He gets 100 + 10 = Rs. 110 including bonus. ∴ If the employee gets Rs. 10.780 his salary is = \(\frac{100}{110}\)× 10780 = 9800 ∴ The salary of the employee is Rs. 9800 |
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