Question

In a class test (+3) marks are given for every correct answer and (-2) marks are given for
every incorrect answer and no marks for not attempting any question. (i) Radhika score
20 marks. If she has got 12 correct answers, how many questions has she attempt
incorrectly?.. ​

Answer 1

Answer:

8 questions are attempted incorrectly

Answer 2

Answer:

1.. Radhika scored = 20.

2.. and correct answers = 12

3.. so what is question is +3 for correct and -2 for incorrect ones.

4.. so 12×3=36 correct answer marks

5. 36-20=16 marks cut

6. 16/2=8 were incorrect answers

Radhika attempted 8 questions incorrectly.

Step-by-step explanation:

1