1.

A number of 109 digits is written as follows: " 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 ….." What is the least possible a positive number is required to add up in the given number to make it divisible by 2 and 5 both ?

Answer»

8
3
0
none of these

Answer :B


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