Question

A man receives ₹60 for the first week and ₹3 more each week than the preceding week. How much does he earn by the 20th week?

Answer 1

the 20th term is 117

Answer 2

a=60
d=3

S20=20/2(2*60+19*3)
$20 \div 2(2 \times 60 + 19 \times 3) = 1770$
answer =1770


she will have 1770 rupee