Amita suneha and raghav start preparing cards for all person of an old age home in order to complete they take 10,16 & 20 minutes respectively if all of them start together after what time will they start preparing a new card
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For the answer, we have to take LCM of 10, 16 and 20.
10 = 2×5
16 = 2^4×5
20 = 2²×5
So, LCM= 2^4×5 = 80
Thus at the end of 80 minutes they will start making new cards together.
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Answer:
Easy 80min is the ans
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