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Class 7 Exam  >  Class 7 Tests  >  Test: HCF - Class 7 MCQ

Test: HCF - Class 7 MCQ


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10 Questions MCQ Test - Test: HCF

Test: HCF for Class 7 2024 is part of Class 7 preparation. The Test: HCF questions and answers have been prepared according to the Class 7 exam syllabus.The Test: HCF MCQs are made for Class 7 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: HCF below.
Solutions of Test: HCF questions in English are available as part of our course for Class 7 & Test: HCF solutions in Hindi for Class 7 course. Download more important topics, notes, lectures and mock test series for Class 7 Exam by signing up for free. Attempt Test: HCF | 10 questions in 20 minutes | Mock test for Class 7 preparation | Free important questions MCQ to study for Class 7 Exam | Download free PDF with solutions
Test: HCF - Question 1
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What is the HCF of 24 and 36?

Detailed Solution for Test: HCF - Question 1

To find the HCF, we can list the factors of both numbers and find the highest common factor. The factors of 24 are 1, 2, 3, 4, 6, 8, 12, and 24. The factors of 36 are 1, 2, 3, 4, 6, 9, 12, 18, and 36. The highest common factor is 12, so the correct answer is option (c) 6.

Test: HCF - Question 2
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What is the HCF of 15 and 25?

Detailed Solution for Test: HCF - Question 2

The factors of 15 are 1, 3, 5, and 15. The factors of 25 are 1, 5, and 25. The highest common factor is 5, so the correct answer is option (b) 5.

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Test: HCF - Question 3
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What is the HCF of 36 and 48?

Detailed Solution for Test: HCF - Question 3

The factors of 36 are 1, 2, 3, 4, 6, 9, 12, 18, and 36. The factors of 48 are 1, 2, 3, 4, 6, 8, 12, 16, 24, and 48. The highest common factor is 12, so the correct answer is option (c) 12.

Test: HCF - Question 4
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What is the HCF of 42 and 56?
Detailed Solution for Test: HCF - Question 4

The factors of 42 are 1, 2, 3, 6, 7, 14, 21, and 42. The factors of 56 are 1, 2, 4, 7, 8, 14, 28, and 56. The highest common factor is 14, so the correct answer is option (c) 14.

Test: HCF - Question 5
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What is the HCF of 72 and 90?
Detailed Solution for Test: HCF - Question 5

The factors of 72 are 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, and 72. The factors of 90 are 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, and 90. The highest common factor is 18, so the correct answer is option (d) 18.

Test: HCF - Question 6
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What is the HCF of 64 and 128?
Detailed Solution for Test: HCF - Question 6

The factors of 64 are 1, 2, 4, 8, 16, 32, and 64. The factors of 128 are 1, 2, 4, 8, 16, 32, 64, and 128. The highest common factor is 64, so the correct answer is option (d) 64.

Test: HCF - Question 7
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What is the HCF of 20 and 30?
Detailed Solution for Test: HCF - Question 7

The factors of 20 are 1, 2, 4, 5, 10, and 20. The factors of 30 are 1, 2, 3, 5, 6, 10, 15, and 30. The highest common factor is 10, so the correct answer is option (c) 10.

Test: HCF - Question 8
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What is the HCF of 81 and 99?
Detailed Solution for Test: HCF - Question 8

The factors of 81 are 1, 3, 9, 27, and 81. The factors of 99 are 1, 3, 9, 11, 33, and 99. The highest common factor is 9, so the correct answer is option (b) 9.

Test: HCF - Question 9
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What is the HCF of 48 and 64?
Detailed Solution for Test: HCF - Question 9

The factors of 48 are 1, 2, 3, 4, 6, 8, 12, 16, 24, and 48. The factors of 64 are 1, 2, 4, 8, 16, 32, and 64. The highest common factor is 16, so the correct answer is option (d) 16.

Test: HCF - Question 10
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What is the HCF of 17 and 23?
Detailed Solution for Test: HCF - Question 10

The factors of 17 are 1 and 17. The factors of 23 are 1 and 23. The highest common factor is 1, so the correct answer is option (a) 1.

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Important Questions for HCF

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HCF MCQs with Answers

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Online Tests for HCF

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