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Question
There are 3 taps. Water starts to drip from the three taps. A drop of water comes out of first, second and third tap every 2 seconds, 4 seconds and 7 seconds respectively. After how many seconds will the drops of water from all the three taps fall together?
There are 3 taps. Water starts to drip from the three taps. A drop of water comes out of first, second and third tap every 2 seconds, 4 seconds and 7 seconds respectively. After how many seconds will the drops of water from all the three taps fall together?
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Solution
The correct option is A 28 seconds
In order to find after how many seconds drops of water from all the three taps fall together, we need to find the L.C.M.
The LCM will be the product of 2 × 2 × 7 = 28
So, after 28 seconds, the drops of water from all the three taps will fall together.
28 seconds
In order to find after how many seconds drops of water from all the three taps fall together, we need to find the L.C.M.
The LCM will be the product of 2 × 2 × 7 = 28
So, after 28 seconds, the drops of water from all the three taps will fall together.
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