CBSE Class 8 Mathematics Percentage MCQs Set 40

Multiple Choice Questions (MCQs) for Class 8 Mathematics: Percentage

Review structured MCQ sets for Class 8 Mathematics Percentage. Built according to official CBSE guidelines, these downloadable questions support daily revision and core concept reinforcement.

Practice Percentage MCQs for Class 8 Mathematics

Access the complete set of multiple-choice questions for Percentage below. This focused format allows students to isolate specific topics for thorough review and uninterrupted practice alongside official CBSE textbooks.

Multiple Choice Questions

Question 1: 5% of (25% of Rs. 1600) is (in Rs.):
(a) Rs. 17.50
(b) Rs. 20
(c) Rs. 5
(d) Rs. 25
Show Answer & Explanation

Answer: (b) Rs. 20

Explanation:
1. 25% of 1600 = 400; 5% of 400 = 20.

Teacher's Note:
1. Write the quantity as a fraction of the base and multiply by 100 to get a percentage.
2. Always check which quantity is the base (100%) before you calculate.

Question 2: 0.15% of 33 1/3% of Rs. 10,000 is (in Rs.):
(a) Rs. 0.05
(b) Rs. 5
(c) Rs. 150
(d) Rs. 105
Show Answer & Explanation

Answer: (b) Rs. 5

Explanation:
1. 33 1/3% of 10000 = 3333.33.
2. 0.15% of 3333.33 = 5.

Teacher's Note:
1. Write the quantity as a fraction of the base and multiply by 100 to get a percentage.
2. Always check which quantity is the base (100%) before you calculate.

Question 3: 25% of 25% equals:
(a) 0.625
(b) 6.25
(c) 0.0625
(d) 0.0063
Show Answer & Explanation

Answer: (c) 0.0625

Explanation:
1. 0.25 x 0.25 = 0.0625.

Teacher's Note:
1. Write the quantity as a fraction of the base and multiply by 100 to get a percentage.
2. Always check which quantity is the base (100%) before you calculate.

Question 4: What percent is 3% of 5%?
(a) 60%
(b) 50%
(c) 30%
(d) 15%
Show Answer & Explanation

Answer: (a) 60%

Explanation:
1. 3/5 x 100 = 60%.

Teacher's Note:
1. Write the quantity as a fraction of the base and multiply by 100 to get a percentage.
2. Always check which quantity is the base (100%) before you calculate.

Question 5: 4598 is 95% of what number?
(a) 4850
(b) 4840
(c) 4880
(d) 4800
Show Answer & Explanation

Answer: (b) 4840

Explanation:
1. Number = 4598 x 100/95 = 4840.

Teacher's Note:
1. Write the quantity as a fraction of the base and multiply by 100 to get a percentage.
2. Always check which quantity is the base (100%) before you calculate.

Question 6: What percent of 360 is 129.6?
(a) 77%
(b) 64%
(c) 36%
(d) 72%
Show Answer & Explanation

Answer: (c) 36%

Explanation:
1. 129.6/360 x 100 = 36%.

Teacher's Note:
1. Write the quantity as a fraction of the base and multiply by 100 to get a percentage.
2. Always check which quantity is the base (100%) before you calculate.

Question 7: ?% of 932 + 30 = 309.6. The value of ? is:
(a) 25
(b) 40
(c) 30
(d) 35
Show Answer & Explanation

Answer: (c) 30

Explanation:
1. ?% of 932 = 279.6.
2. ? = 279.6/932 x 100 = 30.

Teacher's Note:
1. Write the quantity as a fraction of the base and multiply by 100 to get a percentage.
2. Always check which quantity is the base (100%) before you calculate.

Question 8: 65% of a number = 20% of 422.50. The number is:
(a) 84.5
(b) 130
(c) 139.425
(d) 200
Show Answer & Explanation

Answer: (b) 130

Explanation:
1. 20% of 422.5 = 84.5.
2. Number = 84.5 x 100/65 = 130.

Teacher's Note:
1. Write the quantity as a fraction of the base and multiply by 100 to get a percentage.
2. Always check which quantity is the base (100%) before you calculate.

Question 9: An agent gets 2.5% commission on the sale of cloth. If on a certain day his commission is Rs. 12.50, the cloth sold that day is worth (in Rs.):
(a) Rs. 250
(b) Rs. 500
(c) Rs. 750
(d) Rs. 1250
Show Answer & Explanation

Answer: (b) Rs. 500

Explanation:
1. 2.5% of S = 12.50 gives S = 500.

Teacher's Note:
1. Write the quantity as a fraction of the base and multiply by 100 to get a percentage.
2. Always check which quantity is the base (100%) before you calculate.

Question 10: If Rs. 2800 is 2/7 percent of the value of a house, the worth of the house (in Rs.) is:
(a) Rs. 1000000
(b) Rs. 1200000
(c) Rs. 800000
(d) Rs. 980000
Show Answer & Explanation

Answer: (d) Rs. 980000

Explanation:
1. (2/7)% = 2/700 of the value.
2. Value = 2800 x 700/2 = 980000.

Teacher's Note:
1. Write the quantity as a fraction of the base and multiply by 100 to get a percentage.
2. Always check which quantity is the base (100%) before you calculate.

Question 11: 15% of (?)% of 582 = 17.46. The value of ? is:
(a) 30
(b) 2
(c) 10
(d) 20
Show Answer & Explanation

Answer: (d) 20

Explanation:
1. 15% of 582 = 87.3.
2. ?% = 17.46/87.3 = 0.2, so ? = 20.

Teacher's Note:
1. Write the quantity as a fraction of the base and multiply by 100 to get a percentage.
2. Always check which quantity is the base (100%) before you calculate.

Question 12: If 120 is 20% of a number, then 120% of that number is:
(a) 720
(b) 120
(c) 20
(d) 360
Show Answer & Explanation

Answer: (a) 720

Explanation:
1. Number = 600.
2. 120% of 600 = 720.

Teacher's Note:
1. Write the quantity as a fraction of the base and multiply by 100 to get a percentage.
2. Always check which quantity is the base (100%) before you calculate.

Question 13: Two-fifth of one-third of three-seventh of a number is 15. 40 percent of that number is:
(a) 136
(b) 84
(c) 72
(d) 105
Show Answer & Explanation

Answer: (d) 105

Explanation:
1. (2/5)(1/3)(3/7) = 2/35, so the number = 15 x 35/2 = 262.5.
2. 40% of 262.5 = 105.

Teacher's Note:
1. Write the quantity as a fraction of the base and multiply by 100 to get a percentage.
2. Always check which quantity is the base (100%) before you calculate.

Question 14: The difference between a number and its two-fifth is 510. 10% of that number is:
(a) 12.75
(b) 204
(c) 51
(d) 85
Show Answer & Explanation

Answer: (d) 85

Explanation:
1. x - 2x/5 = 3x/5 = 510 gives x = 850.
2. 10% of 850 = 85.

Teacher's Note:
1. Write the quantity as a fraction of the base and multiply by 100 to get a percentage.
2. Always check which quantity is the base (100%) before you calculate.

Question 15: If 15% of 40 is greater than 25% of a number by 2, the number is:
(a) 32
(b) 16
(c) 24
(d) 12
Show Answer & Explanation

Answer: (b) 16

Explanation:
1. 15% of 40 = 6, so 25% of the number = 6 - 2 = 4.
2. Number = 4 x 100/25 = 16.

Teacher's Note:
1. Write the quantity as a fraction of the base and multiply by 100 to get a percentage.
2. Always check which quantity is the base (100%) before you calculate.

Question 16: Subtracting 40% of a number from the number gives 30. The number is:
(a) 52
(b) 28
(c) 70
(d) 50
Show Answer & Explanation

Answer: (d) 50

Explanation:
1. 60% of the number = 30.
2. Number = 50.

Teacher's Note:
1. Write the quantity as a fraction of the base and multiply by 100 to get a percentage.
2. Always check which quantity is the base (100%) before you calculate.

Question 17: The number which exceeds 16% of itself by 42 is:
(a) 58
(b) 52
(c) 60
(d) 50
Show Answer & Explanation

Answer: (d) 50

Explanation:
1. x - 0.16x = 42 gives 0.84x = 42.
2. x = 50.

Teacher's Note:
1. Write the quantity as a fraction of the base and multiply by 100 to get a percentage.
2. Always check which quantity is the base (100%) before you calculate.

Question 18: The percentage of the numbers from 1 to 70 whose squares end in the digit 1 is:
(a) 1%
(b) 20%
(c) 21%
(d) 14%
Show Answer & Explanation

Answer: (b) 20%

Explanation:
1. Squares ending in 1 come from numbers ending in 1 or 9: 1, 9, 11, 19, ..., 61, 69, that is 14 numbers.
2. 14/70 x 100 = 20%.

Teacher's Note:
1. Write the quantity as a fraction of the base and multiply by 100 to get a percentage.
2. Always check which quantity is the base (100%) before you calculate.

Question 19: By how much percent is four-fifth of 70 less than five-seventh of 112?
(a) 42%
(b) 36%
(c) 30%
(d) 24%
Show Answer & Explanation

Answer: (c) 30%

Explanation:
1. 4/5 of 70 = 56 and 5/7 of 112 = 80.
2. (80 - 56)/80 x 100 = 30%.

Teacher's Note:
1. Write the quantity as a fraction of the base and multiply by 100 to get a percentage.
2. Always check which quantity is the base (100%) before you calculate.

Question 20: x is 10% less than y and y is 10% more than 125. Then x equals:
(a) 140.55
(b) 150
(c) 123.75
(d) 143
Show Answer & Explanation

Answer: (c) 123.75

Explanation:
1. y = 125 x 1.1 = 137.5.
2. x = 137.5 x 0.9 = 123.75.

Teacher's Note:
1. Write the quantity as a fraction of the base and multiply by 100 to get a percentage.
2. Always check which quantity is the base (100%) before you calculate.

Question 21: If 75% of a number is added to 75, the result is the number itself. The number is:
(a) 300
(b) 400
(c) 60
(d) 50
Show Answer & Explanation

Answer: (a) 300

Explanation:
1. 0.75x + 75 = x gives 0.25x = 75.
2. x = 300.

Teacher's Note:
1. Write the quantity as a fraction of the base and multiply by 100 to get a percentage.
2. Always check which quantity is the base (100%) before you calculate.

Question 22: The multiplier that increases a number by 29.7% is:
(a) 1297
(b) 1.297
(c) 0.1297
(d) 12.97
Show Answer & Explanation

Answer: (b) 1.297

Explanation:
1. Increase of 29.7% means the new value is 100% + 29.7% = 129.7% of the old.
2. Multiplier = 1.297.

Teacher's Note:
1. Write the quantity as a fraction of the base and multiply by 100 to get a percentage.
2. Always check which quantity is the base (100%) before you calculate.

Question 23: I gain 70 paise on Rs. 70. My gain percent is:
(a) 1%
(b) 10%
(c) 0.1%
(d) 7%
Show Answer & Explanation

Answer: (a) 1%

Explanation:
1. Gain = 0.70, so gain% = 0.70/70 x 100 = 1%.

Teacher's Note:
1. Write the quantity as a fraction of the base and multiply by 100 to get a percentage.
2. Always check which quantity is the base (100%) before you calculate.

Free study material for Mathematics

Percentage Objective Questions & Solutions for Class 8 Mathematics

About Percentage MCQs for Class 8 Mathematics

Test your conceptual understanding of Percentage with these targeted multiple-choice questions. Designed in alignment with the latest CBSE curriculum for Class 8 Mathematics, these problem sets build accuracy and prepare students for objective exams.

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FAQs

Where can I access latest CBSE Class 8 Mathematics Percentage MCQs Set 40?

You can get most exhaustive CBSE Class 8 Mathematics Percentage MCQs Set 40 for free on StudiesToday.com. These MCQs for Class 8 Mathematics are updated for the 2026-27 academic session as per CBSE examination standards.

Are Assertion-Reasoning and Case-Study MCQs included in the Mathematics Class 8 material?

Yes, our CBSE Class 8 Mathematics Percentage MCQs Set 40 include the latest type of questions, such as Assertion-Reasoning and Case-based MCQs. 50% of the CBSE paper is now competency-based.

How do practicing Mathematics MCQs help in scoring full marks in Class 8 exams?

By solving our CBSE Class 8 Mathematics Percentage MCQs Set 40, Class 8 students can improve their accuracy and speed which is important as objective questions provide a chance to secure 100% marks in the Mathematics.

Do you provide answers and explanations for CBSE Class 8 Mathematics Percentage MCQs Set 40?

Yes, Mathematics MCQs for Class 8 have answer key and brief explanations to help students understand logic behind the correct option as its important for 2026 competency-focused CBSE exams.

Can I practice these Mathematics Class 8 MCQs online?

Yes, you can also access online interactive tests for CBSE Class 8 Mathematics Percentage MCQs Set 40 on StudiesToday.com as they provide instant answers and score to help you track your progress in Mathematics.