Question

Tom put 2 stamps into empty stamp album on Monday. He put in another 5 stamps on Tuesday. On Wednesday, he puts in 3 more stamps than Tuesday. He continues to put 3 more stamps into album than previous day each day. By 5th day, how many stamps has he put into the album?

Answer 1

Explanation:

stamps put on Monday:2

stamps put on Tuesday:5

stamps put on Wednesday:5+3=8

stamps put on Thursday:8+3=11

stamps put on Friday:11+3=14

stamps put on Saturday:14+3=17

stamp put on Sunday:17+3=20

I hope this helps you