Question

what is the smallest number which when increased by 3 is exactly divisible by 21 ,27 and 35?

Answer 1

LCM of no 21 , 27 and 35 is 945.
So smallest number which when increased by 3 is divisible by 945-3= 942.
So the answer is 942.
Hope it helps
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Answer 2

942 is answer mark me as a branlist