Exam fever!!!!!!

There is a examination which has two sections each containing 50 questions out of which 20 questions are compulsory in each set or else the paper gets disqualified. In set 1 marking scheme is +4,-2 and for set 2 is +5,-1. A student is able to solve only 17 questions from 100 given. From these 17 how many should be from set 1 to get maximum marks in his exam?

#NumberTheory

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Math	Appears as
Remember to wrap math in `$` ... `$` or `\[` ... `\]` to ensure proper formatting.
`2 \times 3`	$2 \times 3$
`2^{34}`	$2^{34}$
`a_{i-1}`	$a_{i-1}$
`\frac{2}{3}`	$\frac{2}{3}$
`\sqrt{2}`	$\sqrt{2}$
`\sum_{i=1}^3`	$\sum_{i=1}^3$
`\sin \theta`	$\sin \theta$
`\boxed{123}`	$\boxed{123}$

Comments

But if student solves only 17 Q's, paper is disqualified. Since minimum 20 in each section. Is there something wrong in my interpretation?

Lavisha Parab - 6 years, 8 months ago

So he will attempt other 33 questions wrong and will get -ve marking

Sarthak Shah - 6 years, 8 months ago

Oh right. I'll solve now. Thanks.

Lavisha Parab - 6 years, 8 months ago

Math	Appears as
Remember to wrap math in `\(` ... `\)` or `\[` ... `\]` to ensure proper formatting.
`2 \times 3`	$2 \times 3$
`2^{34}`	$2^{34}$
`a_{i-1}`	$a_{i-1}$
`\frac{2}{3}`	$\frac{2}{3}$
`\sqrt{2}`	$\sqrt{2}$
`\sum_{i=1}^3`	$\sum_{i=1}^3$
`\sin \theta`	$\sin \theta$
`\boxed{123}`	$\boxed{123}$