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- Question
If x is 80% of y, then what percent of 2x is y?
Options- A. 65.5 %
- B. 64.5 %
- C. 63.5 %
- D. 62.5 %
- Correct Answer
- 62.5 %
Explanationx = 80 % of y
=> x =(80/100 )y
=> y/x = 5/4
Required percentage = [(y/2x)*100] % = (5/8*100) % =62.5%
- 1. A housewife saved Rs. 2.50 in buying an item on sale. If she spent Rs. 25 for the item, approximately how much percent she saved in the transaction ?
Options- A. 8
- B. 9
- C. 10
- D. 11 Discuss
- 2. 1100 boys and 700 girls are examined in a test; 42% of the boys and 30% of the girls pass. The percentage of the total who failed is :
Options- A. 58
- B. 62 *2/3
- C. 64
- D. 67 Discuss
- 3. If the pice of sugar rises from Rs. 6 per kg to Rs. 7.50 per kg, a person, to have no increase in his expenditure on sugar, will have to reduce his consumpion of sugar by
Options- A. 15
- B. 20
- C. 25
- D. 30 Discuss
- 4. 270 candidates appeared for an examination, of which 252 passed. The pass percentage is :
Options- A. (91 + 1/3)%
- B. (93 + 1/3 )%
- C. (97 + 1/3 )%
- D. (98 + 1/3) % Discuss
- 5. The ratio of earnings of A and B is 4:5. If the earnings of A increase by 20% and the earnings of B decrease by 20%, the new ratio of their earnings becomes 6:5. What are A's earnings?
Options- A. Rs.22,000
- B. Rs.27,500
- C. Rs. 26,400
- D. Cannot be determined Discuss
- 6. Entry fee in an exhibition was Rs. 1. Later, this was reduced by 25% which increased the sale by 20%. The percentage increase in the number of visitors is :
Options- A. 20 %
- B. 40 %
- C. 60 %
- D. 80 % Discuss
- 7. The population of a town was 1,60,000 three years ago, If it increased by 3%, 2.5% and 5% respectively in the last three years, then the present population in
Options- A. 155679
- B. 167890
- C. 179890
- D. 177366 Discuss
- 8. A district has 64000 inhabitants. If the population increases at the rate of 2 * 1/2 % per annum, then the number of inhabitants at the end of 3 years will be :
Options- A. 65380
- B. 68921
- C. 70987
- D. 72345 Discuss
- 9. If 15% of x = 20% of y, then x:y is ___?
Options- A. 4:3
- B. 5:4
- C. 4:5
- D. 3:4 Discuss
- 10. Of the 1000 inhabitants of a town, 60 % are males of whom 120 % are literate. If, of all the inhabitants, 25% are literate, then what percent of the females of the town are literate ?
Options- A. 32.5 %
- B. 43 %
- C. 46.6 %
- D. 53.2 % Discuss
Percentage problems
Search Results
Correct Answer: 9
Explanation:
Actual price = Rs. (25 + 2.50) = Rs. 27.50.
Saving = 2.50
Percentage Saving = [(2.50/27.50)*100]
= 2500/275
= %
%
Correct Answer: 62 *2/3
Explanation:
Total number of students = 1100 + 700 = 1800.
Number of students passed = (42% of 1100 + 30% of 700) - (462 + 210) = 672.
Number of failues = 1800-672 = 1128.
Percentage failure = (1128/1800 * 100 )% = 62 * 2/3 %.
Correct Answer: 20
Explanation:
Let original consumption = 100 kg and new consumption = x kg,
So, 100 * 6 = x * 7.50 => x = 80kg
Reduction in consumption = 20%.
Correct Answer: (93 + 1/3 )%
Explanation:
Pass percentage =[(252/270)*100] % =280/3 % = 9 %
Correct Answer: Cannot be determined
Correct Answer: 60 %
Explanation:
Let the total original sale be Rs. 100. Then, original number of visitors = 100.
New number of visitors = 120/0.75 = 160.
Increase % = 60 %.
Correct Answer: 177366
Explanation:
Present population = 160000 * (1 + 3/100)(1 + 5/200)(1 + 5/100)= 177366.
Correct Answer: 68921
Explanation:
Population afer 3 years = 64000 * (1 + 5/(2 *100) )^3 = (64000 * 41/40 * 41/40 * 41/40 ) = 68921..
Correct Answer: 4:3
Explanation:
Given 15% of x = 20% of y
=> 15x = 20y
=> x/y = 20/15
=> x : y = 4 : 3
Correct Answer: 32.5 %
Explanation:
Number of males = 60% of 1000 = 600. Number of females = (1000 - 600) = 400.
Number of literates = 25% of 1000 = 250.
Number of literate males = 20% of 600 = 120.
Number of literate females = (250 - 120) = 130.
Required pecentage = (130/400 * 100 ) % = 32.5 %.
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