Multiple Choice Questions

The HCF of two numbers 960 and 1020 is ........

Quantitative Aptitude (CPO) LCM, HCF

The HCF of two numbers 960 and 1020 is:

This questions was previously asked in

SSC CPO 9th Nov 2022 Shift 2

120

- To find the HCF (Highest Common Factor) of two numbers, decompose each number into its prime factors.

- 960 = 2^6 × 3 × 5

- 1020 = 2^2 × 3 × 5 × 17

- The HCF is obtained by multiplying the lowest power of all common prime factors.

- Common prime factors are 2, 3, and 5.

- Calculate HCF: 2^2 × 3 × 5 = 4 × 3 × 5 = 60.

The correct answer is Option 3: 60

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