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- Question
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
- Correct Answer
- Quantity I > Quantity II
ExplanationQuantity I= 20% - 10% - (20*10/100) % = +8%
Quantity II= 30% - 20% - (30*20/100)% = +4%
Hence Quantity I > Quantity II
- 1. If 3 dupatta is offered free on purchase of 6 dupattas priced Rs 1200 each what is the effective discount on each dupatta?
Options- A. 25 percent
- B. 30 percent
- C. 12.5 percent
- D. 33.33 percent Discuss
- 2. There are total 200 students in a school, of which 1/5th are boys. Find the number of girls in the school.
Options- A. 160
- B. 16
- C. 140
- D. 40 Discuss
- 3. What is 15% of 34 ?
Options- A. 5.1
- B. 5
- C. 5.2
- D. 4.9 Discuss
- 4. In a shop 4.5% of 1500 kg toor dal was sold. Find the quantity sold
Options- A. 64.5 kg.
- B. 63.5 kg.
- C. 70 kg
- D. 67.5 kg Discuss
- 5. 20% discount is offered on an item. By applying a promo code the customer wins 5% cash back. What is the effective discount?
Options- A. 24 percent
- B. 25.2 percent
- C. 25 percent
- D. 6 percent Discuss
- 6. 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
- 7. 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
- 8. 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
- 9. 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
- 10. 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 Discuss
Percentage problems
Search Results
Correct Answer: 33.33 percent
Correct Answer: 160
Correct Answer: 5.1
Correct Answer: 67.5 kg
Correct Answer: 24 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: 3.09 percent
Correct Answer: Rs 25000
Correct Answer: 30.56 percent
Correct Answer: 36 percent
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