Find the HCF of 78, 84, 90 and 112.
Show answer & explanation
Correct answer: B
Explanation
The correct answer is Option 2 i.e. 2.
Given that,
The HCF of 78, 84, 90 and 112
Prime factorization of the numbers
⇒ 78 = 2 × 3 × 13
⇒ 84 = 22 × 3 × 7
⇒ 90 = 2 × 32 × 5
⇒ 112 = 24 × 7
Hence, the required HCF = 2