In a class test containing 10 questions, 3 mark is given for every correct answer
and -1 mark for every incorrect answer
a) Lal attempts all questions but only 6 of his answers are correct. What is his total mark?
b) Seetha attempts 8 questions but only 4 of her answer is correct. What is her total mark?
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Answer:
a) 14
b) 8
Step-by-step explanation:
a) marks of lal = 6×3 - (4×1)
=> Marks of lal = 18-4 = 14
b) marks of Seetha = 4×3 -(4×1)
=> marks of Seetha = 12-4 = 8
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