CTET Paper I (Primary: Class 1-5)

Factors and Multiples - HCF LCM Prime Composite Divisibility Rules question bank (Mathematics)

Practice 44 free CTET Paper I (Primary: Class 1-5) Mathematics - Factors and Multiples - HCF LCM Prime Composite Divisibility Rules questions with answers and step-by-step solutions.

Q1.

What is the sum of the highest common factor (HCF) and lowest common multiple (LCM) of 12, 15, and 20?

Topic: Factors and Multiples - HCF LCM Prime Composite Divisibility Rules | Source: AI Generated (CTET Paper I (Primary: Class 1-5))

(A)
63
(B)
6f
(C)
67
(D)
123
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Q2.

If a number 79x2y is completely divisible by 72, then what is the value of (x + y), given that x and y are digits?

Topic: Factors and Multiples - HCF LCM Prime Composite Divisibility Rules | Source: AI Generated (CTET Paper I (Primary: Class 1-5))

(A)
6
(B)
7
(C)
8
(D)
9
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