Question

In a test (+3) marks are given for correct answer and(-1) for incorrect answer. Ranu attempts all the question and scored (+20) marks through he got 10 correct answer
1. How many incorrect answer he attempted
2. How many questions were given in the test

Answer 1

Answer:

1. 10 incorrect answers, 2. 20 questions

Step-by-step explanation:

For 10 correct answers Ranu gets 30 point

Since the score is +20, the loss is 30-20=10 points

10 point loss is equal to 10 incorrect answers

Total questions = 10 correct+10 incorrect= 20