Question

In a class test containing 10 questions,5 marks are awarded for every correct answer and (-2) marks are awarded for every incorrect answer and 0 for each question not attempted.
(i)Ravi gets 4 correct and 6 incorrect answer.what is his score?
(ii) Renu gets 5 correct and 5 incorrect answer. what is her score?
(iii) heena gets 2 correct and 5 incorrect answer .what is her score?
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Answer 1

Answer:

(I) Ravi get 4 correct answer=4*5=20

He gets 6 incorrect answer=6*(-2)=-12

Total score=20-12=8

Thus Ravi get 8marks in the class test.

(ii) For 5 correct answer=5*5=25

For 5 incorrect answer=5*(-2)=-10

Total score=25-10=15

(iii) Heena get 2 correct answer=5*2=10

Heena get 5 incorrect answer=5*(-2)=-10

Total score=10-10=0

Thus, total score of heena is zero.