WV 9, 12, 18, 24, 27 (vi) 22, 54, 108, 135, 198
1. Find the least number which is exactly divisible
by 14, 21, 24 and 42?
5. Find the least number which when divided by
12, 16, 24 and 36 leaves a remainder 7?
. Find the least number which when divided by
12, 15, 20 and 54 leaves a remainder 8?
1. Four bells toll after an interval of 8, 9, 12 and
13 seconds respectively. When will they toll
again?
Answers
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Step-by-step explanation:
1:-= LCM of 14,21,24 &42
= 14=7*2
= 21=7*3
= 24=2^3*3
= 42=2*3*7
= LCM =7*3*2^3=168
= Therefore the least number which is divisible by 14,21,24 &42 is 168
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