Question

raju puts rs 5 coins in the square boxes . he puts 2 coins of rs 5 in 1st box, 4 in the 2nd box 6in 3rd box and so on . find the number coins put in9th boox and find its valve in terms of rupees

Answer 1

raju puts 18 coins of Rs 5 in 9th box
it will be Rs 90

Answer 2

Answer:

Raju puts 18 coins of rs 5 in 9th box it will be 90