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- Question
A student multiplied a number by 4/5 instead of 5/4. What is the percentage error in the calculation?
Options- A. 56.25 percent
- B. 18 percent
- C. 28.13 percent
- D. 36 percent
- Correct Answer
- 36 percent
- 1. A student multiplied a number by 5/6 instead of 6/5. What is the percentage error in the calculation?
Options- A. 44 percent
- B. 30.56 percent
- C. 15.28 percent
- D. 22 percent Discuss
- 2. At 15% discount the selling price of a microwave oven is Rs 34000, what is the selling price if the discount is 37.5%?
Options- A. Rs 25000
- B. Rs 15625
- C. Rs 17968.75
- D. Rs 29218.75 Discuss
- 3. The price of an article is cut by 3%. To restore to its original value, the new price must be increased by
Options- A. 3 percent
- B. 7.11 percent
- C. 3.09 percent
- D. 2.69 percent Discuss
- 4. What should come in place of question mark (?) in the following question? 45% of 400+ ?? = 56% of 750 - 40% of 350
Options- A. 10000
- B. 1000
- C. 10201
- D. 9801 Discuss
- 5. Each question contains Quantity I and Quantity II. Read the contents clearly and answer your questions accordingly. Quantity I: if the length of a rectangle is increased by 20% while the breadth of the rectangle is decreased by 10% then find percentage change in area of the rectangle? Quantity II: if the side of a triangle is increased by 30% while the height of a triangle is decreased by 20% then find the percentage change in area of the triangle?
Options- A. Quantity I > Quantity II
- B. Quantity I ? Quantity II
- C. Quantity I< Quantity II
- D. Quantity I < Quantity II Discuss
- 6. Every month, Kritika spends 30% of her income on house rent and 60% of the rest on household expenditure. If she saves ? 6300 per month, what is her total monthly income?
Options- A. ? 22,000
- B. ? 20,500
- C. ? 22,500
- D. ? 25,000 Discuss
- 7. After two successive discounts of 20% and 35%, an article is sold for Rs 50700. What is the marked price (in Rs) of the article?
Options- A. 92500
- B. 98500
- C. 97500
- D. 94000 Discuss
- 8. 20% of a man's salary is paid as rent, 60% are his living expenses and 10% are his savings. If he spends remaining 30 on the education of his children, find his salary
Options- A. 300
- B. 900
- C. 3000
- D. 9000 Discuss
- 9. A man?s average monthly expenditure for the first four months of the year was Rs. 231.25. For the next five months, the average monthly expenditure was Rs. 22.75 more than what it was during the first four months. If the person spent Rs. 605 in all during the remaining three months of the year, find what percentage of his annual income of Rs. 3500 did he save in the year?
Options- A. 10%
- B. 15%
- C. 20%
- D. 25% Discuss
- 10. A sum of Rs. 2600 is lent out into two parts, one at 9% and another at 7% if the total annual income is Rs. 206, find the money lent at 7%.
Options- A. Rs. 1400
- B. Rs. 900
- C. Rs. 1600
- D. Rs. 1200 Discuss
Percentage problems
Search Results
Correct Answer: 30.56 percent
Correct Answer: Rs 25000
Correct Answer: 3.09 percent
Correct Answer: 10000
Explanation:
45/100×400+??=56/100 ×750 -40/100 ×350
180 + ?? = 420 - 140 180 + ?? = 280 ?? = 280 - 180 ?? = 100 ? = 1002 ? = 10000
Correct Answer: Quantity I > Quantity II
Explanation:
Quantity I= 20% - 10% - (20*10/100) % = +8%
Quantity II= 30% - 20% - (30*20/100)% = +4%
Hence Quantity I > Quantity II
Correct Answer: ? 22,500
Explanation:
Let the monthly income be x
Kritika spends 30% of her income on house rent. The remaining amount will be 70% of x
Kritika spends 60% of the rest (70% of 60% = 42% of x )on household expenditure. The remaining amount will be 28% of x
If 28% of x is 6300 then 100% will be 22,500
Correct Answer: 97500
Correct Answer: 300
Correct Answer: 20%
Explanation:
A man's average monthly expenditure for the first four months of the year = Rs.231.25.
For four month = 231.25 * 4 = Rs. 925
For next five month he spend = 231.25 + 22.75 for one month.
In five month he spend = (231.25 + 22.75) X 5 = 1270
If the person spent Rs. 605 in all during the remaining three months of the year,
Total expense = 925+1270+605= 2800
Saving = 3500-2800 = 700
% saving = 700/3500 * 100 = 20%
Correct Answer: Rs. 1400
Explanation:
Money lent at 9% = x
Money lent at 7% = (2600 ? x)
? 9x/100 + (2600 ? x) X 7 /100 = 206
? 9x + 18200 ? 7x = 20600
? 2x = 2400
? x = 1200
Money lent at 7% = 2600-1200 = 1400
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