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 questions not attempted.
(i) Mohan gets four correct and six incorrect answers. What is his score?
(ii) Reshma gets five correct answers and five incorrect answers, what is her score?
(iii) Heena gets two correct and five incorrect answers out of seven questions she attempts. What is her score?
NCERT Class 7th Mathematics Chapter 1 Integers

2

Answers

2016-04-11T22:49:42+05:30

This Is a Certified Answer

×
Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
Given:
5 for every correct answer
-2 for every incorrect answer
0 for questions not attempted

1) (4*5) and (6*-2) = 20 - 12 = 8
2) (5*5) and (5*-2) = 25 - 10 = 15
3) (2*5) , (5 * -2) and (3 * 0 ) = 10 - 10 + 0 = 0

0
2016-04-11T22:50:18+05:30
Scoring System:
Correct Answer : +5 marks
Incorrect Answer : -2 marks
Not attempted : 0 marks

(i) Mohan gives 4 correct and 6 incorrect answers.

∴ Mohan's Score = 4*(5) + 6*(-2)
                            = 20 - 12
                            = 8 marks

(ii)Reshma gives 5 correct and 5 incorrect answers.

∴ Reshma's score = 5*(5) + 5*(-2)
                              = 25 - 10
                              = 15 marks

(iii)Heena gives 2 correct and 5 incorrect answers.

∴ Heena's score = 2*(5) + 5*(-2)
                           = 10 - 10
                           = 0 marks
0