#### 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:**

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

**Solution:**

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

**Solution:**

**More Solutions:**

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