Q2 of 13 Page 67

Find the least number which when divided by 12, 16, 24, and 36 leaves a remainder 7 in each case.

First find the LCM of 12,16,24,36.


So, LCM is 2 × 2 × 2 × 2 × 3 × 3 = 144


Since there should be 7 as a remainder, the required number is 144 + 7 = 151


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