Question

Q25) In a class test (+2) marks are awarded for every correct answer and (-1) is awarded for
every incorrect answer. Pranav attempted all the questions and scored 40 marks and got 10
incorrect answers. Find the total number of questions in the test.​

Answer 1

Answer:

total no. of marks he scored : 40

therefore total questions he got right : 40 /2 = 20

questiOns he got wrong = 10

so total no. of questions are 30