Question

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Answer 1

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♛(i)Radhika

$correct \: answer \: = 12 \\ scored \: marks \: = 20 \\ 12 \times 3 = 36 \\ 36 - x = 20 \\ x = 16 \\ therefore \: no.of \: wrong \: answer = \frac{16}{2} = 8$

♛(ii)Mohini

$correct \: answer \: = 7 \\ scored \: marks \: = 5 \\ 7 \times 3 = 21 \\ 21 - x = 5 \\ x = 16 \\ therefore \: no.of \: wrong \: answer = \frac{16}{2} = 8$

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