Question

Q4. In a class test containing 10 questions, 4 marks are given for every
correct answer and (-2) marks are given for every incorrect answers.
a) Naresh attempts all questions but only 8 of his answers are correct. What is
the total score?
b) Umesh also attempts all questions but gets only 6 answers correct. What
will be his score? Maths Class 7 NCRT​

Answer 1

Answer:

This is the answer

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Answer 2

Answer:

(i) Correct answers = 8

Marks given for 1 correct answer = 4

Marks given for 8 correct answers = 8 × 4 = 32

Marks given for 1 incorrect answer = - 2

Marks given for 2 incorrect answers = 2 × (- 2) = - 4

Total score of Naresh = 32 + (- 4) = 28

→ Total Score of Naresh is 28.

(ii) Marks given for 1 correct answer = 4

Marks given for 6 correct answers = 6 × 4 = 24

Marks given for 1 incorrect answer = - 2

Marks given for 4 incorrect answers = 4 × (-2) = - 8

Total score of Umesh = 24 + (- 8) = 16

→ Total score of Umesh is 16.

Step-by-step explanation:

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