What are the pass marks in an examination? I. A student secures 30% marks but fails by 10 marks. II. The total marks is 200.
Answer
SELF-PRACTICE — the source book printed no answer.
Nothing is invented here, so this question has no answer on record.
Explanation
From both I and II, we have Pass marks $=30 \%$ of $200+10=60+10=70$. So, both I and II together are needed to get the answer. $$\text { ∴ Correct answer is }(e) \text {. }$$
Explanation as extracted from the printed page; notation may be imperfect.