Question

Addhar's
school
bag weights 47 Kg.
he takes out his maths books
wheighting atid science book weight
3. Kas on the bag.what is the
weight of the bag now ?​

Answer 1

Answer:

Mohan first puts 4 4 = 2=16 matchboxes on the lower most layer. In the second he puts 3 3 = 9 matchboxes. In the third he puts 2 2 = 4 matchboxes and 1 matchboxes on the top most layer.

Total number of matchboxes used = (16 + 9 +4 +1) = 30