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Class 4 Exam  >  Class 4 Tests  >  Test: Factors and Multiples- 2 - Class 4 MCQ

Test: Factors and Multiples- 2 - Class 4 MCQ


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

Test: Factors and Multiples- 2 for Class 4 2024 is part of Class 4 preparation. The Test: Factors and Multiples- 2 questions and answers have been prepared according to the Class 4 exam syllabus.The Test: Factors and Multiples- 2 MCQs are made for Class 4 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Factors and Multiples- 2 below.
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Test: Factors and Multiples- 2 - Question 1
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You are thinking of a number that is a multiple of 7 and 12. What is the smallest number that you can think of?

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

Multiples of 7: 7, 14, 21, 28, 35, 42, 49, 56, 63, 70, 77, 84, 91.......
Multiples of 12: 12, 24, 36, 48, 60, 72, 84, 96.....
Smallest number is 84 because 84 is minimum common multiple of 7 and 12.

Test: Factors and Multiples- 2 - Question 2
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What is the greatest length that is used to measure 8 m, 6 m and 14 m exactly?

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

8 = 2 × 2 × 2
6 = 2 × 3
14 = 2 × 7
Maximum length be 2m.

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Test: Factors and Multiples- 2 - Question 3
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Which of the following numbers has the least number of factors?

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

The factors of 106 are 1, 2, 53 and 106.
The factors of 78 are 1, 2, 3, 6, 13, 26, 39 and 78.
The factors of 110 are 1, 2, 5, 10, 11, 22, 55, and 110.
The factors of 66 are 1, 2, 3, 6, 11, 22, 33 and 66.

Test: Factors and Multiples- 2 - Question 4
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Read the statement carefully and choose the correct option with true/false.
A. 6 is multiple of 18.
B. 24 is a multiple of 3
C. 5 is factor of 20.
D. 88 is factor of 4.
Detailed Solution for Test: Factors and Multiples- 2 - Question 4

  • A. 6 is a multiple of 18: This is false. A multiple of 18 would be a number like 18, 36, 54, etc. 6 is not a multiple of 18.

  • B. 24 is a multiple of 3: This is true. 24 is divisible by 3 (24 ÷ 3 = 8), so 24 is a multiple of 3.

  • C. 5 is a factor of 20: This is true. 20 is divisible by 5 (20 ÷ 5 = 4), so 5 is a factor of 20.

  • D. 88 is a factor of 4: This is false. A factor of 4 would be a number that divides 4 exactly. However, 88 is much larger and does not divide into 4.

Correct evaluation:

A. False
B. True
C. True
D. False

Thus, the correct option is:

False, True, True, False.

Test: Factors and Multiples- 2 - Question 5
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From the list given below find how many numbers are factors of 125?
2, 3, 5, 7, 25, 50, 100
Detailed Solution for Test: Factors and Multiples- 2 - Question 5

5 and 25 are factors of 125.
Hence, only two numbers are factors of 125 from the given list.

Test: Factors and Multiples- 2 - Question 6
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From the list given below find how many of the numbers are multiples of 20?
12, 25, 40, 36, 80, 100, 110, 150
Detailed Solution for Test: Factors and Multiples- 2 - Question 6

40, 80 and 100 are multiples of 20.
Hence, we have only three numbers are multiples of 20 from the given list.

Test: Factors and Multiples- 2 - Question 7
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Three alarm clocks ring the alarm at 3, 6 and 9 minutes respectively. In 60 minutes how many times will the clocks ring together?
Detailed Solution for Test: Factors and Multiples- 2 - Question 7

Multiples of 3: 3, 6, 9, 12, 15, 18, 21, 24, 27.....
Multiples of 6: 6, 12, 18, 24, 30.....
Multiples of 9: 9, 18, 27.....
The clocks ring in every 18 minutes together.
1st time the clock will ring in 18 minutes, then at 36 minutes and then at 54 minutes.
So in 60 minutes the clocks will ring 3 times.

Test: Factors and Multiples- 2 - Question 8
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I am multiple of 23. I am odd number and have 3 digits. I am also a multiple of 7. Who am I?
Detailed Solution for Test: Factors and Multiples- 2 - Question 8

23 × 7 = 161.

Test: Factors and Multiples- 2 - Question 9
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The teacher gave 12 books a group of children and asked them to arrange them in different groups under some conditions like
(A) Each group should have the same number of books.
(B) No of books should be left over.
(C) Each grouping should be different from the other.
This activity will help the children to understand the concept of
Detailed Solution for Test: Factors and Multiples- 2 - Question 9

Option 3: Multiples and factors

Explanation:

This activity helps children understand multiples and factors. The task involves arranging 12 books into different groups, where each group has the same number of books and no books are left over. This is related to finding the factors of 12, such as 1, 2, 3, 4, 6, and 12, and how 12 can be divided into equal groups without remainder, which is the core concept of multiples and factors.

Test: Factors and Multiples- 2 - Question 10
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All the multiples of 3, except 3, all the multiples of 5, except 5 and all the multiples of 7, except 7 are
Detailed Solution for Test: Factors and Multiples- 2 - Question 10

Composite numbers: Numbers having three or more than 3 factors are called composite numbers.

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