Amit Sneha and Raghav start preparing card for all the person of an old age home in order to complete one card they, 10 ,16 and 20 minutes respectively if all them started together after how much time will they start preparing a new car together which value do these children reflect
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The three of then take 16, 10 and 20 minutes to make a card. If they started at time t = 0, the next they start making the cards at the same time would be the LCM of 16, 10 and 20, which is 80. Thus, at the end of the 80th minute, they will start making the cards together. Thus, 80 is the answer.
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