Traffic lights at three different road crossing change after 48 seconds.

Traffic lights at three different road crossing change after 48 seconds, 72 seconds and 108 seconds respectively. At what time will they change together again if they change simultaneously at 7 A.M.?

Solution:

ML Aggarwal Class 6 Solutions for ICSE Maths Chapter 4 Playing with Numbers Ex 4.5 16

If the product of two numbers is 4032 and their HCF is 12, find their LCM.

Solution:

ML Aggarwal Class 6 Solutions for ICSE Maths Chapter 4 Playing with Numbers Ex 4.5 17

The HCF and LCM of two numbers are 9 and 270 respectively. If one of the numbers is 45, find the other number.

Solution:

ML Aggarwal Class 6 Solutions for ICSE Maths Chapter 4 Playing with Numbers Ex 4.5 18

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