Question

In a test containing 20 questions, 3 marks are given for every correct answer and (-1) mark

is given for every incorrect answer. Reena gets 12 correct and 5 incorrect answers. What is

her score?​

Answer 1

Answer:

Reeta gets 12 correct answer.

Reeta's score -

$12 \times 3 = 36 \: \: marks$

Reeta gets 5 incorrect answer.

Reeta's score -

$5 \times ( - 1) = - 5 \: \: marks$

Reeta's Total score -

$36 + ( - 5) = 31 \: \: marks$

Answer 2

★ Given :-

In a test Containing 20 questions each correct answers has +3 marks and each wrong answers have -1 mark.

Reena Gets 12 correct out of 20 and 5 incorrects.

★ To Find :-

The Score Sucured by Reena

★ Solution :-

$\bold{ \pink{20 \: qestions \: and \: 60 \: marks}{} }{} \\ \\ \bold{ \pink{correct \: answers =3}{} }{} \\ \\ \bold{ \pink{wrong \: answer = - 1}{} }{}$

Reena Have 12 cirrect answers (1 correct answer = 3 )

Hence 12 correct answers = 12*3 = 36

And she have 5 incorrect answers ( 1 incorrect answer = -1 )

$\bold{ \pink{★Hence \: she \: secured \: marks = 36 - 5 = 31}{} }{}$

$\boxed{ \bold{ \red{she \: secured \: = 31marks}{} }{} }{}$

• The Score secured by Reena is 31