1.

How any three digit odd numbers can be formed by using the digits1,2,3,4,5,6 if;The repetition of digits is not allowed?The repetition of digits is allowed?A. 60B. 108C. 120D. 216

Answer» Correct Answer - B
Total no. of digits = 6
To form a odd numbers we have only 3 choice for the unit digits.
Now, Extreme left place can be filled in 6 ways the middle place can be filled in 6 ways.
`:.` Required number of numbers `= 6 xx 6 xx 3 = 108`


Discussion

No Comment Found

Related InterviewSolutions