ABC26GN0203 · Number System

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

Which of the following digits will replace the $H$ marks in the following equation? $9 H+H 8+H 6=230$
(a)3
(b)4
(c)5
(d)9
(e)None of these
Answer
Answer (as printed): E
Explanation
$9 H+H 8+H 6=230 \Rightarrow\{(9 \times 10)+H\}+(10 H+8)+$ $$(10 H+6)=230 \begin{aligned} & \Rightarrow 21 H+104=230 \Rightarrow 21 H=126 \\ & \Rightarrow H=6 . \end{aligned}$$

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

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