Question Number: #Mat1762

The sum of the digits at the tens place of all the numbers formed with the help of 3,4,5,6 taken all at a time is

A.) 432
B.) 108
C.) 36
D.) 18

Answer is option : B

Question Related Topics:
Permutations and Combinations
Loading Please Wait
Recommended For You

Logo of FillandFind Mobile Application Now on Mobile's Android Application to get Latest Information on admissions, exams, courses colleges. Rank and College Predictors and much more
Continue to Website Continue to website