10 Question MCQ (including Assertion)

Question 1 of 10

Assertion (A): The number 46 has more factors than 47.
Reason (R): 46 is a composite number and will have more than 2 factors whereas 47 is a prime number and will have only 2 factors.

A Both A and R are true, and R is the correct explanation of A. B Both A and R are true, but R is not the correct explanation of A. C A is true, but R is false. D A is false, but R is true.

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Question 2 of 10

I have two 2 s, one 3 and two 13 s in my prime factorisation. Who am I?

A 2208 B 1560 C 2028 D 312

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Question 3 of 10

Assertion (A): The number 1 does not have any prime factorisation.
Reason (R): It is not divisible by any prime number.

A Both A and R are true, and R is the correct explanation of A. B Both A and R are true, but R is not the correct explanation of A. C A is true, but R is false. D A is false, but R is true.

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Question 4 of 10

Assertion (A): The number 5585 is divisible by 5 .
Reason (R): A number is divisible by 5 if the last two digits of number is divisible by 5.

A Both A and R are true, and R is the correct explanation of A. B Both A and R are true, but R is not the correct explanation of A. C A is true, but R is false. D A is false, but R is true.

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Question 5 of 10

What does the section C represents in the figure ?

A multiples of 2 till 20 C Multiples of 3 till 20 B Common factors of 2 and 3 till 20 D Common multiples of 2 and 3 till 20

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Question 6 of 10

Assertion (A): The number 6 is not a perfect number.
Reason (R): The factors of 6 are 1,2,3 and 6 and also their sum is 12 which is twice of 6.

A Both A and R are true, and R is the correct explanation of A. B Both A and R are true, but R is not the correct explanation of A. C A is true, but R is false. D A is false, but R is true.

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Question 7 of 10

Assertion (A): Any two prime numbers are co-prime.
Reason (R): Composite numbers are defined as whole numbers that have more than two factors.

A Both A and R are true, and R is the correct explanation of A. B Both A and R are true, but R is not the correct explanation of A. C A is true, but R is false. D A is false, but R is true.

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Question 8 of 10

If the number \(42956^* 8\) is divisible by 4 , then digit at * is

A 1 B 4 C 3 D 5

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Question 9 of 10

Which pair is a co-prime?

A 35 and 53 B 12 and 21 C 100 and 105 D 42 and 63

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Question 10 of 10

What is the common factor of 17,21 and 29 ?

A 17 B 29 C 7 D 1

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10 Question MCQ (including Assertion)