This question was previously asked in

ISRO VSSC Technical Assistant Mechanical held on 25/02/2018

- 6
- 12
- 2
- 18

Option 1 : 6

Free

ISRO VSSC Technical Assistant Mechanical held on 09/06/2019

2302

80 Questions
320 Marks
120 Mins

**Concept:**

**HCF is the Highest common factor, which is the multiplication of all the common factors**

**Calculation:**

**Given:**

Numbers are 12, 18, 24

factor of 12 = 2 × 2 × 3

factor of 18 = 2 × 3 × 3

factor of 24 = 2 ×2 × 3 × 2

Common factors are 2 & 3

so **HCF = 2 × 3 = 6**

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