If the number x4738 is divisible by 9, what is the face value of x?
A6
B4
C5
D7
Answer:
C. 5
Read Explanation:
A number will be divisible by 9, if the sum of all the digits of a number is multiple of 9.
⇒ x + 4 + 7 + 3 + 8 = 22 + x
⇒ Next nearest multiple of 9 = 27.
∴ Face value of x = 5