When bananas in a basket are removed 2, 3, 4, 5, or 6 at a time,there remain 1, 2, 3, 4, and 5 bananas, respectively. However, when7 bananas are removed at a time, none are left. By usingsubstitution method, estimate the least number of bananas thatcould have been in the basket.

This is a 40 marks questions... can please explain the solutionin details...thanks!!