Percentage problems
- 1. What is 5% of 4000?
Options- A. 180
- B. 200
- C. 220
- D. 240 Also asked in: AIEEE, Bank Exams, CAT, Analyst, Bank Clerk, Bank PO
Correct Answer: 200
Explanation:
5% of 4000
= 5 x 4000/100
= 5 x 40
= 200
Hence, 5% of 4000 = 200.
- 2. Rohan spends 24% of an amount of money on an insurance policy, 34% on food, 19% on children?s education and 17% on recreation. He deposits the remaining amount of Rs. 540 in bank. How much total amount does he spend on food and insurance policy together?
Options- A. Rs. 6350
- B. Rs. 5220
- C. Rs. 5890
- D. Rs. 6458 Also asked in: AIEEE, Bank Exams, CAT, GATE, Analyst, Bank Clerk, Bank PO
Correct Answer: Rs. 5220
Explanation:
Remaining % of amount with Rohan
= 100 - (24 + 34 + 17 + 19)
= 100 - 94
= 6%
=> 6% = 540
=> 100% = ?
540 x 100/6 = Rs. 9000
Now, Money spent on insurance and food is
= 34 + 24 = 58% of 9000
= 58 x 9000/100
= 58 x 90
= Rs. 5220
- 3. If A is 6 times more than B, then by what percentage is B is less than A?
Options- A. 64.82
- B. 83.33
- C. 28.56
- D. 85.71 Also asked in: Bank Exams, CAT
Correct Answer: 85.71
- 4. A man buys a table and a chair for Rs. 500. He sells the table at a loss of 10% and the chair at a gain of 10%. He still gains Rs.10 on the whole. The cost price of chair in rupees is
Options- A. Rs.200
- B. Rs.250
- C. Rs.300
- D. Rs.400 Also asked in: Bank Exams
Correct Answer: Rs.300
- 5. A fan is listed at Rs. 150 with a discount of 20% . What additional discount must be offered to the customer to bring the net price to Rs. 108 ?
Options- A. 11 1/9%
- B. 15%
- C. 8%
- D. None of these Also asked in: Bank Exams
Correct Answer: 11 1/9%
- 6. There are 1650 students in a college. The difference between the number of boys and girls in the college is 400. What is the percentage of girls in the college ?
Options- A. 49
- B. 34
- C. 43
- D. 38 Also asked in: AIEEE, Bank Exams, CAT, Bank Clerk, Bank PO
Correct Answer: 38
Explanation:
Let no. of boys be 'B' and no. of girls be 'G'
Here from given data,
B + G = 1650 .....(1)
B - G = 400 .....(2)
From (1) & (2), we get
2B = 2050
=> B = 1025
=> G = 1650 - 1025 = 625
Hence, the % of girls = 625 x 100/1650
=> 38% (approx).
- 7. A Shepherd had n goats in the year 2000. In 2001 the no.of goats increased by 40% . In 2002 the no. of goats declined to 70%. In 2003 the no. of goats grew by 30%. In 2004, he sold 10% goats, then he had only 34,398 goats. The percentage increase of the no.of goats in this duration was:
Options- A. 14.66%
- B. 16.66%
- C. 20%
- D. 33.33% Also asked in: AIEEE, Bank Exams, CAT, GATE, Bank Clerk, Bank PO
Correct Answer: 14.66%
Explanation:
There is no need to use the no of goats i.e (34,398). let initially thete be 1000 goats then
1000 -----> 1400 -----> 980 -----> 1274 ----->1146.6
Thus the % increase = (1146.6-1000)/100 x 100= 14.66%
- 8. Subbu purchased a tape recorder at 9/10 of its selling price and sold it at 8% more than its selling price. His gain is
Options- A. 9%
- B. 10%
- C. 180%
- D. 20% Discuss
Correct Answer: 20%
Explanation:
Let the S.P. be Rs. P Then, C.P. paid by subhash = Rs. (9 x P)/10 S.P. received by subhash = (108% of Rs. P) = Rs. (27 x P) / 25 ∴ Gain = Rs.(27 x P) / 25 - (9 x P) / 10 = Rs. (9 x P) / 50 Hence, Gain% = (9P / 50) x (10P / 9) x 100 % = 20%
- 9. A man spend 20% of his monthly salary on his children's education and 50% of his salary on food and transport. After Paying the rent of Rs.1000, he is left with Rs.2000. What is his monthly salary?
Options- A. 7000
- B. 10000
- C. 14000
- D. 20000 Also asked in: AIEEE, Bank Exams, CAT, GATE, Analyst, Bank Clerk, Bank PO
Correct Answer: 10000
Explanation:
Let his monthly salary be 'P'
20% on children's education =
50% on food and transport =
1000 on rent
=>
Therefore, his monthly salary = Rs. 10,000
- 10. What is 85 of 352?
Options- A. 21.5%
- B. 24.14%
- C. 23.68%
- D. 25.47% Also asked in: AIEEE, Bank Exams, CAT, GATE, Analyst, Bank Clerk, Bank PO
Correct Answer: 24.14%
Explanation:
Here 85 of 352 => 85 is what percent in 352
Let p% of 352 is 85
Percentage(%) is generally calculated in the total of 100.
=> p x 352/100 = 85
=> p = 8500/352 = 24.14%
Hence, 85 is 24.14% of 352.
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