Question

class 7th Integers
pls answer this...​

Answer 1

Given :-

Marks for correct answer (+5)

Marks for incorrect ans (-2)

Ques :-

(i) = Marks for each correct answer = 5

So, marks given for 10 correct answers = 5 X 10 = 50

= Radhika's score

= 50

Marks obtained for incorrect answer

= 30 - 50 = -20

- 50 = -20Marks for one incorrect answer

ne incorrect answer = -2

ne incorrect answer = -2number of incorrect answers

ne incorrect answer = -2number of incorrect answers= (−20) ÷ (−2) = 10

= 10 incorrect answers