Question

3.
Naren, his wife, two sons and his pet dog have to cross
a river. But the only boat that is available for crossing
the river can carry only 80 kg of weight at a time. If
none of the family members including the pet dog can
swim and considering that Naren and his wife each
weighed exactly 80 kg and each of their sons weigh
exactly 40 kg, how will they cross the river?​

Answer 1

Answer:

the total weight of naren and his wife and his two sons is 240 kg hence if all of them have to cross the river they have to take 3 rounds as in first round naren can go in second round is wife can go in third round the two sons and the pet dog can go