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? a) 22 b) 5 c) 16 d) 8
Answers
Answered by
3
Answer:
16
Step-by-step explanation:
25x4=100
16x2=32
100-32=68
im new tho
Answered by
7
Answer:
16
Step-by-step explanation:
Rohit's total marks are 68
correct answers are 25 × 4 = 100
incorrect answers are 100 - 68 = 32
In 22×-2 is not 32
In 5×-2 is not 32
In 16×-2 is 32
In 8×-2 is not 32
So , incorrect answers are 16×2=32
And also 100 - 32 is 68
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