1 LIR
UT
II
7. In a test paper of class VII containing 30 questions 5 marked are awarded for every correct
answer and (-3) are awarded for every incorrect answer and 0 for no answer.
(a) Shreystha gets 18 correct answers and 12 incorrect answers. Find her score.
(b) Naman scored 70 marks though he attempted 22 questions. Then find, how many
questions had he attempted incorrectly?
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Answer:
(a) Shreystha gets 54.
(b) Naman gets 14 correct answers and 8 incorrect answers.
Step-by-step explanation:
(a) Shreystha gets 18 ×5=90
12×(–3)=–36
90–36=54.
(b) Naman scored 70 marks through he attempted 22 questions.
22×5=110
14×5=70
He corrected 14 questions.
22–14=8
She incorrectly 8 questions.
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