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- Question
In a class 60% of the students pass in English and 45% pass in Hindi. If 25% of them pass in both subjects, what percentage of the students fail in both the subjects?
Options- A. 20%
- B. 25%
- C. 30%
- D. 15%
- Correct Answer
- 20%
ExplanationPercentage of students passed in English = 60%
Percentage of students passed in Hindi = 45%
Percentage of students passed in both subjects = 25%
ATQ,
Percentage of students passed in only English = 60 - 25 = 35%
Percentage of students passed in only Hindi = 45 - 25 = 20%
Therefore, Percentage of students failed = 100 - (35 + 25 + 20)
= 100 - 80 = 20%.
- 1. When the price of whear was increased by 32%, a family reduced its consumption in such a way that the expenditure on wheat was only 10% more than before. If 30 kg per month were consumed before, find the new monthly consumption of family?
Options- A. 27 kgs
- B. 25 kgs
- C. 24 kgs
- D. 21 kgs Discuss
- 2. Mohan spends 23% of an amount of money on an insurance policy, 33% on food, 19% on children?s education and 16% on recreation. He deposits the remaining amount of Rs. 504 in bank. How much amount does he spend on food and insurance policy together?
Options- A. Rs. 2326
- B. Rs. 5876
- C. Rs. 1741
- D. Rs. 3136 Discuss
- 3. If the price of diesel increases by 25% and Karthik intends to spend only an additional 15% on diesel, by how much % will he reduce the quantity of diesel purchased ?
Options- A. 6.67 %
- B. 8 %
- C. 7.41 %
- D. 9 % Discuss
- 4. If three eighth of a number is 141. What will be the approximately value of 32.08% of this number ?
Options- A. 101
- B. 112
- C. 104
- D. 120 Discuss
- 5. What is better, to have 70% discount or 40 and 30% discount consequently ?
Options- A. 40% is better
- B. 70% is better
- C. Both are same
- D. None Discuss
- 6. In a class of 80 students and 5 teachers, each student got shopping coupons that are 15% of the total number of students and each teacher got shopping coupons, that are 25% of the total number of students. How many shopping coupons were there?
Options- A. 960
- B. 1000
- C. 1060
- D. 100 Discuss
- 7. A person purchase 50 mangoes he sells 10 at 20% profit, 20 at 30% profit and rest got rotten. Find its total loss or profit%?
Options- A. 28%
- B. 26%
- C. 24%
- D. 22% Discuss
- 8. What is 5% of 4000?
Options- A. 180
- B. 200
- C. 220
- D. 240 Discuss
- 9. Rohan spends 24% of an amount of money on an insurance policy, 34% on food, 19% on children?s education and 17% on recreation. He deposits the remaining amount of Rs. 540 in bank. How much total amount does he spend on food and insurance policy together?
Options- A. Rs. 6350
- B. Rs. 5220
- C. Rs. 5890
- D. Rs. 6458 Discuss
- 10. If A is 6 times more than B, then by what percentage is B is less than A?
Options- A. 64.82
- B. 83.33
- C. 28.56
- D. 85.71 Discuss
Percentage problems
Search Results
Correct Answer: 25 kgs
Explanation:
Initial wheat per kg cost be Rs. 100
Then, monthly expenditure of the family = 30 x 100 = 3000
After increase in cost,
Let P be new monthly consumption of family.
P x 132 = 110/100 x 3000
=> P = 25 kg.
Correct Answer: Rs. 3136
Explanation:
Let total amount = Rs. P
Total expenditure = (23 + 33 + 19 + 16)% of P = 91%ofP
Remaining money = (100 - 91)% of P = 9% of P
But given in the question that,
9% of P = 504
9p/100 = 504
=> P = 50400/9
=> P = Rs. 5600
Required money spent on Food & Insurance = 23 + 33 %
= 56% of 5600
= 56 x 5600/100 = 56 x 56 = Rs. 3136
Correct Answer: 8 %
Explanation:
Let the price of 1 litre of diesel be Rs.x and let Karthik initially buy 'y' litres of diesel.
Therefore, he would have spent Rs. xy on diesel.
When the price of diesel increases by 25%, the new price per litre of diesel is 1.25x.
Karthik intends to increase the amount he spends on diesel by 15%.
i.e., he is willing to spend xy + 15% of xy = 1.15xy
Let the new quantity of diesel that he can get be 'q'.
Then, 1.25x x q = 1.15xy
Or q = (1.15/1.25)y = 0.92y.
As the new quantity that he can buy is 0.92y, he gets 0.08y lesser than what he used to get earlier.
Or a reduction of 8%.
Correct Answer: 120
Explanation:
K x 3/8 = 141 => K = 376
376 x 32.08/100 = 120
Correct Answer: 70% is better
Explanation:
Let Price be Rs.100
1st CASE:
Then 100 x 70/100 = 70
=> price after discount = 100-70 = Rs.30
2nd CASE:
Then 100 x 40/100 = 40
=> price after discount = 100-40 = Rs.60
then
60 x 30/100 = 18
=> price after 2 consequent discount = 60-18 = Rs.42
=>from 1 and 2 cases, 70% discount is better.
Correct Answer: 1060
Explanation:
Given total number of students = 80
Total teachers = 5
Number of coupons each student got = 15 x 80/100 = 12
Number of coupons each teacher got = 25 x 80/100 = 20
Therefore, total number of shopping coupons = 80 x 12 + 5 x 20 = 960 + 100 = 1060.
Correct Answer: 24%
Explanation:
Let the cost price of each mango be Rs. 1
So 50 mangoes costs = Rs. 50
20% Profit on Selling Price of 10 mangoes = Rs. 12
30% Profit on Selling Price of 20 mangoes = Rs. 26
Total = Rs. 38
Loss = 50 - 38 = 12
Loss% = (12/50) x 100 = 24%.
Correct Answer: 200
Explanation:
5% of 4000
= 5 x 4000/100
= 5 x 40
= 200
Hence, 5% of 4000 = 200.
Correct Answer: Rs. 5220
Explanation:
Remaining % of amount with Rohan
= 100 - (24 + 34 + 17 + 19)
= 100 - 94
= 6%
=> 6% = 540
=> 100% = ?
540 x 100/6 = Rs. 9000
Now, Money spent on insurance and food is
= 34 + 24 = 58% of 9000
= 58 x 9000/100
= 58 x 90
= Rs. 5220
Correct Answer: 85.71
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