Question

Answer second part of Q 7

Answer 1

Step-by-step explanation:

(i) Marks of aujali = 30

corrected answer = 10

marks of corrected answer=10×5=50

marks of incorrect answer=30-50=-20

so,no of incorrect answer = 20 /2 =10

(ii) Mark's of Rohan=-12

corrected answer = 4

Mark's of correct answer = 20

marks of incorrect answer = -12-20=-32

incorrect answer = 32/2=16