The number of common prime factors of 60, 75 and 105 is

The number of common prime factors of 60, 75 and 105 is
(a) 2
(b) 3
(c) 4
(d) 5

Solution:

ML Aggarwal Class 6 Solutions for ICSE Maths Chapter 4 Playing with Numbers Objective Type Questions 25

The H.C.F. of 144 and 198 is
(a) 6
(b) 9
(c) 12
(d) 18

Solution:

ML Aggarwal Class 6 Solutions for ICSE Maths Chapter 4 Playing with Numbers Objective Type Questions 26

The L.C.M. of 30 and 45 is
(a) 15
(b) 30
(c) 45
(d) 90

Solution:

ML Aggarwal Class 6 Solutions for ICSE Maths Chapter 4 Playing with Numbers Objective Type Questions 27

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