RRB NTPC · HCF and LCM Calculations

Exercise and reference answers

Matching pairs

1. Left

   HCF of 16, 28, and 72

   Right

   4

2. Left

   LCM of 12 and 18

   Right

   36

3. Left

   HCF of 36 and 48

   Right

   12

4. Left

   LCM of 4, 6, and 8

   Right

   24

Instructions

Match number sets to their HCF or LCM