Discussion
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- Question
3.2% of 500 × 2. 4% of ? = 312
Options- A. 812.5
- B. 829.75
- C. 749.85
- D. 799.5
- Correct Answer
- 812.5
Explanation - 1. Sneha?s weight is 140% of Veena?s weight. Rina?s weight is 90% of Sana?s weight. Sana weighs twice as much as Veena. If Sneha?s weight is x% of Rina?s weight, then x is equal to:
Options- A. 596/9
- B. 605/9
- C. 645/9
- D. 700/9 Discuss
- 2. At an examination in which maximum marks are 500. K got 10% less than L, L got 25% more than M and M got 20% less than N. If K got 360 marks what percentage of marks was obtained by N ?
Options- A. 80
- B. 87
- C. 78
- D. 76 Discuss
- 3. A girl want to read a complete book. She read 2/5 part of a book on 1st day, 34% on second day and remaining pages in next two days. On those two days she read equal number of pages. If she read 52 pages on last day, then find out total number of pages that the book contain ?
Options- A. 400
- B. 525
- C. 325
- D. 475 Discuss
- 4. The salary of Mr. X is 30% more than that of Mr. Y . Find what percent of Mr. Y?s salary is less than Mr. X?s ?
Options- A. 24%
- B. 23 1/3%
- C. 25 1/2%
- D. 22 8/9 % Discuss
- 5. A number increased by 30% gives 390. The number is
Options- A. 180
- B. 300
- C. 480
- D. 260 Discuss
- 6. A showroom on its anniversary gives a discount of 18% on marked price of bikes. Raghuram purchases a bike in Rs. 54,540. What is the marked price of bike?
Options- A. Rs. 63548
- B. Rs. 66512
- C. Rs. 65000
- D. Rs. 67857 Discuss
- 7. 36 is what percent of 80?
Options- A. 54
- B. 45
- C. 60
- D. 64 Discuss
- 8. What will come in place of the question mark(?) in the following question ? 56% of 870 + 82% of 180 = 32% of 90 + ?
Options- A. 777
- B. 666
- C. 606
- D. 789 Discuss
- 9. If the price of a commodity is decreased by 20% and its consumption is increased by 10%, what will be the increase or decrease in the expenditure on the commodity?
Options- A. increase 12%
- B. decrease 12%
- C. increase 16%
- D. decrease 16% Discuss
- 10. Ajay who is a King, at his eleventh hour, called his three queens and distributed his gold in the following way: He gave 50% of his wealth to his first wife, 50% of the rest to his second wife and again 50% of the rest to his third wife. If their combined share is worth1,30,900 kilograms of gold, find the quantity of gold King Ajay was having initially?
Options- A. 153145 kgs
- B. 147890 kgs
- C. 152400 kgs
- D. 149600 kgs Discuss
Percentage problems
Search Results
Correct Answer: 700/9
Explanation:
Let Veena's weight = 1 kg
Sana's weight = 2 kg
Sneha's weight = 1.4 kg
Rina's weight = 1.8 kg
Now,according to the given data in the question,
x = .
Correct Answer: 80
Explanation:
Let marks obtained by N = x
M's marks = 0.80x
L's marks = 1.25 (0.80x)
K's marks = (0.90) (1.25) (0.80x)
= 0.9x
But 0.9x = 360 ? x = 400
Percentage of Marks obtained by N
= 400 x 100/500 = 80%
Correct Answer: 400
Explanation:
Let the total number of pages in the book be 'x'.
From given data,
2x/5 + 34x/100 + 52 + 52 = x
=> 40x + 34x + 10400 = 100x
=> 26x = 10400
=> x = 400.
Hence, total pages in the book are 400.
Correct Answer: 23 1/3%
Explanation:
y=100 x=130
130---------30
100---------? => 23 1/3%
Correct Answer: 300
Explanation:
Let the number be 'N'
Given N + 30N/100 = 390
=> 130N/100 = 390
=> N = 390 x 10/13
=> N = 300.
Correct Answer: Rs. 66512
Explanation:
The discount offered by showroom = 18%
Raghu purchased at Rs. 54540
Then,
The marked price is given by
54540 x 100/82
=~ Rs. 66,512
Correct Answer: 45
Explanation:
Let 36 is p% of 80
=> p x 80/100 = 36
=> p = 36 x 10/8 = 45.
Correct Answer: 606
Explanation:
56% of 870 = 56x870/100 = 487.20
82% of 180 = 82x180/100 = 147.60
32% of 90 = 32x90/100
487.20 + 147.6 - 28.8 = ?
? = 634.8 - 28.8
? = 606.
Correct Answer: decrease 12%
Explanation:
Given the price of a commodity is decreased by p = 20%
And its consumption is increased by q = 10%
Now, required increase or decrease in the expenditure on the commodity can be
p + q + pq/100 = -20 + 10 - 200/100 = -10 - 2 = -12%.
Hence, decrease in the expenditure = 12%
Correct Answer: 149600 kgs
Explanation:
Let the total quantity of gold be p kgs.
According to the question,
50% of p + 25% of p + 12.5% of p = 130900
87.5% of p = 130900
p = 130900 x 100/87.5 = 149600 kgs.
Therefore, the initial gold quantity that king has = p = 149600 kgs.
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