Percentage problems
- 1. What percentage of 2/7 is 1/35?
Options- A. 2.5%
- B. 10%
- C. 25%
- D. 20% Discuss
Correct Answer: 10%
Explanation:
Let N% of 2/7 is 1/35
? (2/7 x N) / 100 = 1/35
? N = 1/35 x 7/2 x 100 = 10%
- 2. What percent of 7.2 kg is 18 gms?
Options- A. .025%
- B. .25%
- C. 2.5%
- D. 25% Discuss
Correct Answer: .25%
Explanation:
7.2 kg = 7.2 x 1000000 gm = 7200000 gms
Required percentage = (18/7200000) x 100 % = 0.25%
- 3. Solve the following:
?% of 130 = 10.4?
Options- A. 80
- B. 8
- C. 0.8
- D. 0.08 Also asked in: AIEEE, Bank Exams, CAT, GATE, Analyst, Bank Clerk, Bank PO, Database Administrator, IT Trainer
Correct Answer: 8
Explanation:
Let Y% of 130 = 10.4
⇒ (Y x 130) / 100 = 10.4
∴ Y = (10.4 x 100) / 130 = 8
- 4. The fraction equivalent to 2/5% is?
Options- A. 1/40
- B. 1/125
- C. 1/250
- D. 1/500 Discuss
Correct Answer: 1/250
Explanation:
2/5% = (2/5) /100 = 1/250
- 5. 30% of 140 =?% of 840?
Options- A. 5
- B. 15
- C. 24
- D. 60 Discuss
Correct Answer: 5
Explanation:
Let y% of 840 = 30% of 140
? (y/100) x 840 = (30/100) x 140
? y = (30 x 140 x 100) / (100 x 840 ) = 5
- 6. Solve the following:
? % of 250 + 25% of 68 = 67
Options- A. 10
- B. 15
- C. 20
- D. 25 Discuss
Correct Answer: 20
Explanation:
Let Y% of 250 + 25% of 68 = 67
⇒ (Y x 250)/100 + (25 x 68)/100 = 67
⇒ 5Y/2 = 50
∴ Y = (50 x 2) / 5 = 20
- 7. What is 25% of 25% is equal to?
Options- A. 6.25
- B. .625
- C. .0625
- D. .000625 Discuss
Correct Answer: .0625
Explanation:
25% of 25% = (25/100) x (25/100) = 625/10000 = 0.625
- 8. The number .05 is hoe many percent of 20?
Options- A. 25
- B. .025
- C. .25
- D. 2.5 Discuss
Correct Answer: .25
Explanation:
Let y% of 20 = .05
Then, (y x 20)/100 = .05
? y = .25
- 9. Solve the following:
? x 15 = 37.5% of 220
Options- A. 82.5
- B. 8250
- C. 11
- D. 5.5 Discuss
Correct Answer: 11
Explanation:
Let N x 15 = 37.5% of 220
⇒ 15N =(37.5 x 220) / 100
∴ N = (37.5 x 220) / (100 x 15) = 5.5
- 10. (0.756 x 3/4) terms of rate percent is equivalent to?
Options- A. 18.9%
- B. 37.8%
- C. 56.7%
- D. 75% Discuss
Correct Answer: 56.7%
Explanation:
(0.756 x 3/4) = (756/1000) x (3/4) x 100 % = 56.7%
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