Out of a group of eight boys, one boy weighing 56 kg…
Out of a group of eight boys, one boy weighing 56 kg left the group. A new boy joined the group, increasing the average weight of the group by 2.5 kg. What is the weight of the new boy? आठ लड़कों के एक समूह में से 56 किग्रा वजन वाला एक लड़का चला गया। उसकी […]
Out of a group of eight boys, one boy weighing 56 kg… Read More »