How much water is wasted because of dripping taps every year?
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?
Mahibur takes a bath every day, Pallav washes his clothes every alternate day and Anmol has three leaking taps in his house which constantly drip water. Who among the three is responsible for the wastage of water?