Question

b) 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 not attempting any of the

questions.

Mohan gets 4 correct answers and 6 incorrect answers. What is his score?

ii Reshma gets 5 correct and 5 incorrect answers. What is her score?

iii) Heena gets 2 correct and 5 incorrect answers out of 7 questions she attempted. What is her

score?

pls explain it with method ​

Answer 1

Answer:

(i) 4×5+6×(-2) = 20-12= 8

(ii) 5×5+5×(-2) = 25-10= 15

(iii) 2×5+5×(-2) +3×0 =10-10+0 = 0

Answer 2

Mohan mark is
4multiply by 5 that is 20
20-2-2-2-2-2-2
That is 8
Mohan got 8 marks