which is the least number which when divided by 12, 15, 21 and 28 leaves 1 as the remainder?
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421 is the least number which when divided by 12, 15 , 21 and 28 leaves 1 as remainder
Lcm of 12, 15, 21 and 28 is 420 and leaves 1 as remainder
So , 421 is correct
Lcm of 12, 15, 21 and 28 is 420 and leaves 1 as remainder
So , 421 is correct
barathbarclays100:
can u explain briefly through solution
lcm 420 and u add the remainder 1
Yes
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