Question

In a test (+4) marks are given for every correct answer and (-2) for every wrong answer. You answered all the questions and scored 68 marks. 25 of your answers were correct. How many questions you attempted was wrong
Write the answer in form of integer​

Answer 1

Answer:

first tell what is the total marks of the paper

Answer 2

The answer is given below :

No. of correct answers = 25

So, marks secured = 25 × 4 = 100

Let, he did x no. of incorrect answers.

So, marks be cut = x × (-2) = -2x

Thus,

100 - 2x = 68

=> 2x = 100 - 68

=> 2x = 32

=> x = 16

So, Rohit did 16 incorrect answers and in total he attempted (25 + 16) = 41 questions.

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