The value of [6 × P + 2 ]is
3 1 P
+ 1 P 3
____
5 0 1
For ones digit, 8 + 3 = 1
⇒ P = 8 and 1 is carried over.
Verification:
For tens digit, 1(carryover) + 1 + 8 = 10
For hundreds digit, 3 + 1 + 1(carry over) = 5
Therefore value of P is 8.
Value of 6 x P + 2 = 6 x 8 + 2
= 48 + 2 = 50