Q: Out of the six digits 1, 2, 3, 4, 5 and 6, how many two-digit numbers can be formed without repetition of digits?
(a)6
(b)15
(c)30
(d)40
Correct Answer: (c)
The correct answer is (a): 6. Subject: Quantitative Aptitude & Data Interpretation | Sub-topic: Numerical Ability