ABC26GN0204 · Number System

Subject: General Aptitude · Chapter: Number System · Exam: · Marks: · Difficulty:

Find the missing number in the following addition problem:
835
4*8
+9*4
22*7
(a)0
(b)4
(c)6
(d)9
Answer
Answer (as printed): C
Explanation
Let the missing digit be $x$. Then, 1 (carried over) $+3+x$ $+x=10+x \Rightarrow x=6$.

Explanation as extracted from the printed page; notation may be imperfect.

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