CAT 1998 — QA Question 31
Number TheoryEasy
A number is formed by writing first 54 natural numbers in front of each other as 12345678910111213 ... Find the remainder when this number is divided by 8.
Answer & solution
Correct answer: 2
- A
7
- B
1
2
- D
0
Solution
The number formed by the last 3 digits of the main number is 354. The remainder is 2 if we divide 354 by 8. So the remainder of the main number is also 2 if we divide it by 8.
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