ABC26GN0072 · Number System

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

If $n$ is an integer between 20 and 80, then any of the following could be $n+7$ except
(a)47
(b)58
(c)84
(d)88
Answer
Answer (as printed): D
Explanation
$(n+7)=88 \Rightarrow n=(88-7)=81$, which is false as $20<n<80$. So, the required number is 88.

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

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