28P3 is divisible by 9. What is the value of P?
Show answer & explanation
Correct answer: B
Explanation
Given:
Number = 28P3
According to the formula:
Divisible by 9 ⇒ The sum of the digits is a multiple of 9.
2 + 8 + P + 3 = 13 + P
13 + P must be a multiple of 9.
13 + P = 18
P = 5