Question

In a class test containing 15 Questions, 3Marks are given for every correct answers and (-1)Marks are given for every incorrect answers and 0Marks for not attempted questions.
a. Megha gets 7Correct answers & 8 incorrect answers, what is her score?
b. Sona gets 10 correct answers and 5 incorrect anwers, what is her score?
c. Nisha gets 5 correct answers and 10 incorrect answers, what is her score?
d. Geeta gets9 correct answers and 6 incorrect anwers, what is her score?

Answer 1

Megha get =
Correct = 7
Incorrect =8
so 3 marks for correct answer=
7x3=21
For incorrect answer-1 so
8x1=8
Total marks =
21-8=13



B= correct =10x3=30
Incorrect =5x1=5
Total marks =30-5=25


C=correct =5x3=15
Incorrect =10x1=10
Total marks =15-10=5



D=correct =9x3=27
Incorrect =6x1=6
Total marks =27-6=21

Answer 2

Hi,
Here is your answer
a) (7×3) - (8×1) = 21-8=13
b) (10×3) - (5×1) = 30-5 = 25
c) (5×3) - (10×1) = 15 - 10 = 5
d) (9×3) - (6×1) = 27 - 6 = 21..