H
10
9. In a test, (+4) marks are given for every correct
answer and (-2) marks for every wrong answer.
Rohit answered all the questions and scored
68 marks. 25 of Rohit's answers were correct.
How many of the questions he attempted were
incorrect?
(b) 5 (c) 16 (d) 8
(a) 22
Answers
Answered by
4
16
25 of the total questions attempted by Rohit are correct
so marks obtained= 25×4 = 100
marks scored by him = 68
so negative marking = 100 - 68 = 32 marks
Answers attempted incorrect = 32 ÷ 2 = 16
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