How many two digit numbers of distinct digits can be formed by using digits 1, 2, 3, 4, 5, 6 and 7 such that the numbers are divisible by 9?	Choose the correct choice from the following answers:
A) 4
B) 5
C) 6
D) 7
E) 8
A number will be divisible by 9 if sum of all the digits of the number is divisible by 9   Here the Possible sum of the two distinct digits can be 9 only in order to satisfy the given condition   If sum of Digits = 9, No. = 27, 36, 45, 54, 63, 72 --- 6 6ases   Answer: option 6
<result>C</result>
How many two digit numbers of distinct digits can be formed by using digits 1, 2, 3, 4, 5, 6 and 7 such that the numbers are divisible by 9?