Percentage Mcqs Archives - Page 11 of 17 -

If 25% of x is 15 less than 15% of 1500, then x is?

If 25% of x is 15 less than 15% of 1500, then x is?

A. 720
B. 750
C. 820
D. 840
E. None of these
Explanation:
25% of x = x/4 ; 15% of 1500 = 15/100 * 1500 = 225
Given that, x/4 = 225 – 15 => x/4 = 210 => x = 840.

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Amir saves 32% of his monthly salary. If he spends Rs. 27200, then find his savings?

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Amir saves 32% of his monthly salary. If he spends Rs. 27200, then find his savings?

A. 15400
B. 14300
C. 13200
D. 12800
Explanation:
Let the monthly salary of Aamir be Rs. x.
68% of x = 27200
=> x = (27200 * 100)/68 = 40000
His savings = 32/100 * 40000 = 12800.

Amir saves 32% of his monthly salary. If he spends Rs. 27200, then find his savings? Read More »

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If two positive numbers are in the ratio 1/8 : 1/5, then by what percent is the second number more than the first?

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If two positive numbers are in the ratio 1/8 : 1/5, then by what percent is the second number more than the first?

A. 40%
B. 33 1/3%
C. 60%
D. 66 2/3%
E. None of these
Explanation:
Given ratio = 1/8 : 1/5 = 5 : 8
Let first number be 5x and the second number be 8x.
The second number is more than first number by 3x.
Required percentage = 3x/5x * 100 = 60%.

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If the price of an article went up by 20%, then by what percent should it be brought down to bring it back to its original price?

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If the price of an article went up by 20%, then by what percent should it be brought down to bring it back to its original price?

A. 16 2/3%
B. 20%
C. 22 1/3%
D. 15%
E. None of these
Explanation:
Let the price of the article be Rs. 100.
20% of 100 = 20.
New price = 100 + 20 = Rs. 120
Required percentage = (120 – 100)/120 * 100
= 20/120 * 100 = 50/3 = 16 2/3%.

If the price of an article went up by 20%, then by what percent should it be brought down to bring it back to its original price? Read More »

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If P gets 25% more than Q, then by what percent does Q get less than P?

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If P gets 25% more than Q, then by what percent does Q get less than P?

A. 33 1/3%
B. 30%
C. 20%
D. 16 2/3%
E. None of these
Explanation:
Let Q get 1 unit.
25% of 1 unit = 1/4 = 0.25
P gets (1 + 0.25) i.e., 1.25 units.
Difference = (1.25 – 1) = 0.25
Required percentage = 0.25/1.25 * 100 = 1/5 * 100 = 20%

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Mathematics Mcqs, Percentage Mcqs

If 30% of a number exceeds 20% of it by 18, then find the number?

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If 30% of a number exceeds 20% of it by 18, then find the number?

A. 120
B. 200
C. 180
D. 150
E. None of these
Explanation:
Let the number be x.
30% of x = 30/100 * x = 3x/10
20% of x = 20/100 * x = x/5 = 2x/10.
Given that 3x/10 – 2x/10 = 18 => x = 180.
Required number is 180.

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Mathematics Mcqs, Percentage Mcqs

When the numerator of a fraction is decreased by 25% and its denominator is decreased by 20%, the new fraction obtained is 3/4. Find the original fraction?

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When the numerator of a fraction is decreased by 25% and its denominator is decreased by 20%, the new fraction obtained is 3/4. Find the original fraction?

A. 5/4
B. 4/7
C. 5/6
D. 6/7
E. None of these
Explanation:
Let the fraction be x/y.
When the numerator decreased by 25% and the denominator decreased by 20%.
(x * 3/4)/(y * 4/5) = 3/4 => x/y = 3/4 * (4/5)/(3/4) = 4/5

When the numerator of a fraction is decreased by 25% and its denominator is decreased by 20%, the new fraction obtained is 3/4. Find the original fraction? Read More »

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Bilal spends 45% of his monthly income on household items, 25% of his monthly income on buying cloths, 7.5% of his monthly income on medicines and saves the remaining amount which is Rs. 9000. Find his monthly income.

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Bilal spends 45% of his monthly income on household items, 25% of his monthly income on buying cloths, 7.5% of his monthly income on medicines and saves the remaining amount which is Rs. 9000. Find his monthly income.

A. Rs. 40000
B. Rs. 36000
C. Rs. 50000
D. Rs. 45000
E. None of these
Explanation:
Let the monthly income of Ajay be Rs. x
Savings of Ajay = x – (45 + 25 + 7.5)/100 * x = 22.5/100 x
22.5/100 x = 9000
x = 40000.

Mathematics Mcqs, Percentage Mcqs

If 15% of 30% of 50% of a number is 90, then what is the number?

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If 15% of 30% of 50% of a number is 90, then what is the number?

A. 4000
B. 3050
C. 4400
D. 4500
E. None of these
Let the number be a
Given, 15/100 * 30/100 * 50/100 * a = 90
=> 3/20 * 3/10 * 1/2 * a = 90
=> a = 10 * 20 * 10 * 2 = 4000.

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If A got 80 marks and B got 60 marks, then what percent of A’s mark is B’s mark?

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If A got 80 marks and B got 60 marks, then what percent of A’s mark is B’s mark?

A. 60%
B. 80%
C. 65%
D. 75%
E. None of these
Explanation:
A’s marks = 80 ; B’s marks = 60.
Let x% of A = B => x/100 * 80 = 60
=> x = (60 * 100)/80 = 75
B’s marks is 75% of A’s marks.

If A got 80 marks and B got 60 marks, then what percent of A’s mark is B’s mark? Read More »

Mathematics Mcqs, Percentage Mcqs