Amita, Suneha and Raghav start preparingcards for greeting each person of an old agehome on new year. In order to completeone card, they take 10, 16 and 20 minrespectively. If all of them started together,after what time will they start preparing anew card together.
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Answer:
80 min after
Step-by-step explanation:
In these type of questions we have find a number that is common to all
therefore we find the LCM of given numbers
so LCM of 16,10,20 is
80
hence they will all start making card together after every 80 min of time
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