Exam Questions Papers - Engineering

Q1:

(11)2 + (11)3 = (11)?

A 4

B 5

C 6

D none

ANS:C - 6

(10)2 + (11)3 = (11)7 ⇒ 2 + 1 + 3 + 1 = x + l ⇒ x = 6.