Discussion
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- Question
- What will be 80 percent of a number whose 200 percent is 90?
Options- A. 144
- B. 72
- C. 36
- D. None of these
- Correct Answer
- 36
Explanation? 200% of N = 90
? N = (90 x 100) / 200 = 45
? 80% of N = (80 x 45) / 100 = 36 - 1. 75% of a number when added to 75 is equal to the number. The number is?
Options- A. 150
- B. 200
- C. 225
- D. 300 Discuss
- 2. In an examination 65% of the total examinees passed if the number of failures is 420 total number of examinees is?
Options- A. 567
- B. 693
- C. 1000
- D. 1200 Discuss
- 3. A ore contains 12% copper. How many kg of ore are required to get 69 kg of copper?
Options- A. 424 kg
- B. 575 kg
- C. 828 kg
- D. 17362/3 kg Discuss
- 4. A fruit seller had some apples. He sells 40% and still has 420 apples. Originally, he had?
Options- A. 588 apples
- B. 600 apples
- C. 672 apples
- D. 700 apples Discuss
- 5. A man spends Rs. 3500 per month and saves 12 1/ 2% of his income. His monthly income is?
Options- A. Rs. 4400
- B. Rs. 4270
- C. Rs. 4000
- D. Rs. 3937.50 Discuss
- 6. The price of rice has increased by 60%. In order to restore to the original price, the new price must be reduced by?
Options- A. 331/3%
- B. 371/2%
- C. 40%
- D. 45% Discuss
- 7. One litre of water is evaporated from 6 litre of a solution containing 5% salt. The percentage of salt?
Options- A. 44/19%
- B. 55/7%
- C. 5%
- D. 6% Discuss
- 8. ? (3.6% of 40) is equal to?
Options- A. 2.8
- B. 1.8
- C. 1.2
- D. None of these Discuss
- 9. A student is required to secure at least 50% marks in order to pass an examination. He secured 50 marks which were less than the minimum passing marks by 50. The maximum marks of the paper are?
Options- A. 200
- B. 250
- C. 275
- D. 300 Discuss
- 10. Two numbers X and Y are respectively 30% and 35% less than a third number Z . By what percentage is the number Y less than that of the number X?
Options- A. 30%
- B. 15%
- C. 71/7%
- D. 20% Discuss
Percentage problems
Search Results
Correct Answer: 300
Explanation:
75 + 75% of N = N
? N -3N/4 = 75
? N/4 = 75
? N = (75 x 4) = 300
Correct Answer: 1200
Explanation:
35% of N = 420
? N = (420 x 100) / 35 = 1200
Correct Answer: 575 kg
Explanation:
&becaus 12% of W = 69
? W = (69 x 100) / 12 = 575 kg
Correct Answer: 700 apples
Explanation:
? 60% of N = 420
? N = (420 x 100)/60 = 700
Correct Answer: Rs. 4000
Explanation:
?871/2% of P = 3500
? {(175/2) x P} / 100 = 3500
? P = (3500 x 2 x 100) / 175 = 4000
Correct Answer: 371/2%
Explanation:
Let original price = Rs. 100
? Increase price = Rs. 160
? Decrease on Rs. 160 = Rs. 60
? Decrease on Rs. 100 = (60/160) x 100 % = 371/2%
Correct Answer: 6%
Explanation:
Salt in 6 liter = 5% of 6 = 0.30 liter
Salt in new solution = (0.30/5) x 100% = 6%
Correct Answer: 1.2
Explanation:
?(3.6/100) x 40
= ?1.44 = 1.2
Correct Answer: 200
Explanation:
Minimum passing marks = 50 + 50 = 100
Let the total marks = x
Then, 50% of x = 100
? x = (100/50) x 100 = 200
Correct Answer: 71/7%
Explanation:
Let Z = 100, X = 100 - 30 = 70
Y = 100 - 35 = 65
? Y is less by X = (70 - 65)/70 x 100%
= 5/70 x 100% = 71/7 %
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