Question

solve this..............​

Answer 1

$<i >$

$<b >$

Refer to the attchment

Answer 2

Given:-

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in a text (+5) mark are given for every correct ans and (-2) mark are given for every incorrect ans. Rahul answered all the questions and scored 40 marks though he got 16 incorrect ans.

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To Find:-

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How many incorrect ans had he attempt

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STEP BY STEP EXPLANATION:-

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$\implies$Marks Has given for correct answer = 5

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$\implies$Marks deducted for incorrect = 2

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$\implies$Marks obtained by rahul = 40

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$\implies$No of correct answer by rahul = $\sf \frac{40}{2} = 20$

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Answer:-

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$\therefore$ 20 incorrect answer has given by rahul