Question

In a test, 4 marks are given for every correct answer and –1 mark is given for every incorrect answer. Rahul attempted all the questions and scored 64 marks, though he only got 20 correct answers. (i) How many of his answers were incorrect

Answer 1

Answer:

According to the question

16 Question were wrong

Step-by-step explanation:

$20 \times 4 = 80$

then wrong question will be

$80 - 64 = 16$

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