in a class test(+3) mark are given for every correct answer and(-2) mark are given for every incorrect answer and no mark for not allempteing any questions.(i)radhika sourced 20 mark .it she has got 12 correcte answer how many question has she attempted incorrectly ? (ii) rohini source (-5) mark in this test thought she has got 7 correct answer how many question has she been attempted incorrectly
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Answer:
the answer of
a)8
b)13
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