Question

5. In a class test containing 15 questions, 4 marks are given for every correct answer and
(-2) marks are given for every incorrect answer.
(1) Gurpreet attempts all questions but only 9 of her answers are correct. What is hea total
score?
(ii) One of her friends gets only 5 answers correct. What is his total score?​

Answer 1

Answer:

Step-by-step explanation:

(1) Total questions=15

    Marks for every correct answer=4

    Marks for every incorrect answer=(-2)

    Gurpreet attempts all question

    Correct answer=9

    Incorrect answer=(15-9)=6

    total marks=(9x4)+(6x-2)

                      =36-12

                     =24 marks

(2)Total questions=15

    Marks for every correct answer=4

    Marks for every incorrect answer=(-2)

    Friend attempts all question

Correct answer=5

Incorrect answer=10

Total marks=(5x4)+(10x-2)

                  =20-20

                  =0 marks

BY RAJAT AGRAWAL

Answer 2

Answer:

(1)=gurpreet got 25 marks

(2)=one of her friend got 45 marks