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Class 5 Exam  >  Class 5 Tests  >  Test: Factors and Multiples- 2 - Class 5 MCQ

Test: Factors and Multiples- 2 - Class 5 MCQ


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10 Questions MCQ Test - Test: Factors and Multiples- 2

Test: Factors and Multiples- 2 for Class 5 2025 is part of Class 5 preparation. The Test: Factors and Multiples- 2 questions and answers have been prepared according to the Class 5 exam syllabus.The Test: Factors and Multiples- 2 MCQs are made for Class 5 2025 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Factors and Multiples- 2 below.
Solutions of Test: Factors and Multiples- 2 questions in English are available as part of our course for Class 5 & Test: Factors and Multiples- 2 solutions in Hindi for Class 5 course. Download more important topics, notes, lectures and mock test series for Class 5 Exam by signing up for free. Attempt Test: Factors and Multiples- 2 | 10 questions in 15 minutes | Mock test for Class 5 preparation | Free important questions MCQ to study for Class 5 Exam | Download free PDF with solutions
Test: Factors and Multiples- 2 - Question 1
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What are the common factors of 9 and 36?

Detailed Solution for Test: Factors and Multiples- 2 - Question 1

Factors of 9 = 1, 3, 9
Factors of 36 = 1, 3, 4, 6, 9, 12, 36
Common factors are 1, 3, 9.

Test: Factors and Multiples- 2 - Question 2
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Find three common multiples of 18 and 6.

Detailed Solution for Test: Factors and Multiples- 2 - Question 2

Multiples of 18 = 18, 36, 54...
Multiples of 6 = 6, 12, 18,...
The first common multiple will be 18 And the next common multiples will be multiples of 18
Hence, first three common multiples of 18, 6 are 18, 36, 54.

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Test: Factors and Multiples- 2 - Question 3
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How many prime numbers are there from 50 to 100?

Detailed Solution for Test: Factors and Multiples- 2 - Question 3

The prime numbers between 50 and 100 are 53, 59, 61, 67, 71, 73, 79, 83, 89 and 97, which are 10 in number.

Test: Factors and Multiples- 2 - Question 4
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How is 20 written as the product of primes?
Detailed Solution for Test: Factors and Multiples- 2 - Question 4

The prime factorization of 20 is calculated by dividing 20 by the smallest primes until all factors are prime. The process is as follows:

  • Starting with 2, we divide: 20 ÷ 2 = 10.
  • Next, we divide 10 by 2 again, resulting in 5.
  • Since 5 is a prime number, the process stops here.

Therefore, 20 can be expressed as:

2 × 2 × 5.

Test: Factors and Multiples- 2 - Question 5
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What is the sum of the first five multiples of 8?
Detailed Solution for Test: Factors and Multiples- 2 - Question 5

The first five multiples of 8 are:

  • 8
  • 16
  • 24
  • 32
  • 40

Their sum is calculated as follows:

Sum = 8 + 16 + 24 + 32 + 40 = 120.

This can also be verified using the formula for the sum of an arithmetic series:

Sum = n/2 × (first term + last term).

Here, n = 5, so:

Sum = 5/2 × (8 + 40) = 5/2 × 48 = 120.

Thus, the correct answer is D.

Test: Factors and Multiples- 2 - Question 6
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Which of the following is the largest factor of 24?
Detailed Solution for Test: Factors and Multiples- 2 - Question 6

The largest factor of any number is the number itself. So, the largest factor of 24 is 24.

Test: Factors and Multiples- 2 - Question 7
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Which number is a multiple of both 2 and 3?
Detailed Solution for Test: Factors and Multiples- 2 - Question 7

Multiples of 2 = 2, 4, 6, 8, 10, 12…
Multiples of 3 = 3, 6, 9, 12, 15…
The common multiple among the options is 12.

Test: Factors and Multiples- 2 - Question 8
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What is the Least Common Multiple (LCM) of 5 and 10?
Detailed Solution for Test: Factors and Multiples- 2 - Question 8

Multiples of 5 = 5, 10, 15, 20…
Multiples of 10 = 10, 20, 30…
The smallest common multiple is 10.

Test: Factors and Multiples- 2 - Question 9
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Which number has exactly 2 factors?
Detailed Solution for Test: Factors and Multiples- 2 - Question 9

Prime numbers have exactly 2 factors (1 and itself). Here, 7 is prime.

Test: Factors and Multiples- 2 - Question 10
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Which is the Highest Common Factor (HCF) of 12 and 16?
Detailed Solution for Test: Factors and Multiples- 2 - Question 10

Factors of 12 = 1, 2, 3, 4, 6, 12
Factors of 16 = 1, 2, 4, 8, 16
Common factors = 1, 2, 4
The highest common factor is 4.

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