4. Find the least number which is exactly divisible
by 14, 21, 24 and 42 ?
Find the least number which when divided by
12, 16, 24 and 36 leaves a remainder 7 ?
6. Find the least number which when divided by
12, 15, 20 and 54 leaves a remainder 8?
7. Four bells toll after an interval of 8. 9. 12 and
15 seconds respectively. When will they toll
again?
In a walking competition, three persons step
off together. Their steps measure 85 cm, 90 cm
and 80 cm respectively. At what distance from
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the least no. which is exactly divisible by 14,21,24,42. is 7
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