Please give step by step explanation

1.	Please give step by step explanation
Answer» Step-by-step explanation: (i) In a CLASS test, marks given for every correct answer = 3 marks given for 12 correct answer = 12×3= 36 radhika obtained 20 marks in the class testt therefore, marks obtained for incorrect answer = 20 -36 = -16 therefore, marks given for one incorrect answer = -2 so, no of incorrect answer = -16× (-1/2) =8 Thus, radhika has attempted = 8 incorrect questions (ii) Marks given for SEVEN correct answer = 3×7=21 Mohini scores = -5 Marks obtained for incorrrect answer = -5-21 = -26 now, marks given for one incorrect answer = -2 therefore, no of incorrect answer Mohini has attempted = -26×(-1/2)=13 13 incorrect QUESTION

Answer»

Step-by-step explanation:

(i) In a CLASS test,

marks given for every correct answer = 3

marks given for 12 correct answer = 12×3= 36

radhika obtained 20 marks in the class testt

therefore, marks obtained for incorrect answer = 20 -36

= -16

therefore, marks given for one incorrect answer = -2

so, no of incorrect answer = -16× (-1/2)

Thus, radhika has attempted = 8 incorrect questions

(ii) Marks given for SEVEN correct answer = 3×7=21

Mohini scores = -5

Marks obtained for incorrrect answer = -5-21 = -26

now, marks given for one incorrect answer = -2

therefore, no of incorrect answer Mohini has attempted = -26×(-1/2)=13

13 incorrect QUESTION

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