Question

8. Case study -I
Here are the results of 3 students in Half Yearly Examination in Chavara Public School.
The papers are evaluated on the basis of the criteria given below:
(+4) marks are given for every correct answer and (-2) marks are given for every
incorrect answer and no marks for not attempting any question
Name No.of correct
answers

No.of incorrect
answers

Not attempted Total score
Manu 9 0 24
Rani 5 5 0
James 4 0 -12

(i) Manu attempted all questions ,but only 9 of his answers are correct . How much he
scored for correct answers?
(a) 20 (b) 9 (c) 15 (d) 36
(ii) He scored 24 marks though he got 9 correct answers, How many incorrect answers
had he attempted?
(a) 10 (b) 5 (c) 6 (c) 4
(iii) Rani got 5 answers correct and 5 answers incorrect.What is the total score of Rani?
(a) 10 (b) 15 (c) 20 (d) 0
iv) How many marks Rani got for correct answers ?
(a) 20 (b) 10 (c) 0 (d) 4

(v) James answered all the questions and scored (-12) marks though he got 4 correct
answers .How many incorrect answers had he attempted?

(a) 10 (b) 14 (c) 12 (d) 5


Can U Answer This All Question Thank U

Answer 1

Answer:

I:-(D)

ii:-(b)

iii:-(a)

iv:-(b)

Step-by-step explanation:

I don't know that the answer of questions no.4is correct or not