My nephew (A boy) was playing with a book and he tore out pages 7, 8, 100, 101, 222, and 223. How many pages were torned out?

Question: My nephew (A boy) was playing with a book and he tore out pages 7, 8, 100, 101, 222, and 223. How many pages were torned out?

A.6
B.3
C.7
D.5
E.4

Answer: Page 7 and 8 are a part of a same paper so it is 1 page page no. 100 and 101 lie in two different pages so it is 2 pages also 222 and 223 lie on different pages so it is 2 pages.

when you add them all, we get:

2+2+1= 5

so it is D.5