Percentage
| 11. | A student has to obtain 30% of the total marks to pass. He got 125 marks and failed by 40 marks. The maximum marks are : |
|---|
A. 550
B. 600
C. 650
D. 580
View Answer Discuss Work SpaceAnswer: option a
Explanation:
Given, the student got 125 marks and still failed by 40 marks
=> The minimum pass marks = 125 + 40 = 165
Given that minimum pass marks = 30% of the total marks
=> total marks * 30/100 = 165
=> total mark = 16500/30 = 550
| 12. | Ramesh spends 30% of his monthly income on food articles, 40% of the remaining on conveyance and saves 50% of the remaining. If his monthly salary is Rs. 18,400, how much money does he save every month ? |
|---|
A. 3864
B. 3884
C. 4849
D. 6800
View Answer Discuss Work SpaceAnswer: option a
Explanation:
Saving = 50% of (100 - 40)% of (100 - 30)% of 18,400
= (50/100 * 60/100 * 70/100 * 18400)
= 3864
| 13. | If 75% of a number is added to 75, then the result is the number itself. Find the number. |
|---|
A. 100
B. 200
C. 300
D. 400
View Answer Discuss Work SpaceAnswer: option c
Explanation:
Let the number be x, Then
75% of x + 75 = x
=> (3/4)*x + 75 = x
=> x - (3/4)x = 75
x = 300
| 14. | A number is decreased by 10% and then increased by 10%. The number so obtained is 10 less than the original number. What was the oiginal number ? |
|---|
A. 1000
B. 1500
C. 2000
D. 3000
View Answer Discuss Work SpaceAnswer: option a
Explanation:
Let the original number be 100x.
Final number = 110% of (90% of 100x)
= (110/100 * 90x)
= 99x.
Now, 100x - 99x = 10
=> x = 10
So, Number = 100x = 1000
| 15. | A housewife saved Rs. 5 in buying an item on sale. If she spent Rs. 50 for the item, approximately how much percent she saved in the transaction ? |
|---|
A. 8.08
B. 9.09
C. 10.10
D. 11.11
View Answer Discuss Work SpaceAnswer: option b
Explanation:
Actual price = 50 + 5 = 55
Saving = 5
Percentage Saving = (5/55)*100
= 9.09%
Percentage Questions and Answers FAQ
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