Give two column numbers: 1, 3, 5, 7, 9 , 2001 and 1, 6, 11, 16, 21 In 2001, the number of numbers appearing in the two books at the same time is A 199 B 200 C 201 D 202

Give two column numbers: 1, 3, 5, 7, 9 , 2001 and 1, 6, 11, 16, 21 In 2001, the number of numbers appearing in the two books at the same time is A 199 B 200 C 201 D 202

The tolerance of the first number is 2, and the tolerance of the last number is 5
So every 10 numbers appear the same
1,11,21..2001
The number is [(2001-1) / 10] + 1 = 201