Question

A man saves Rs. 20 in the first month, Rs. 30 in the second month, Rs. 40 in the third month and so on. Find the total amount saved in 5 years.

Answer 1

Amount saved in 5 year is Rs 650.

Answer 2

Man saved in 1st month=10
" " " 2ndmonth=20
" " 3rd month=30
Amount saved i 5 years =?

1 year =12 months

5years =6o months

1 month =1o

6o months =?

6o multiply by 1o =6oo

: amount saved in 5years =6oo