engineering recuitment BARC Stipendiary Trainee Category II 2023 Mock Test Quantitative Aptitude Average
Gopal finds the average of ten 2-digit numbers. While copying numbers, by mistake, he writes one number with its digit interchanged. As a result, his answer is 6.3 less than the correct answer. The difference of the digits of the number, in which he made mistake, is?
1
8
2
7
3
9
4
5