1.

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 10incorrect answers. Find the total number of questions in the test.​

Answer» TOTAL no. of marks he scored : 40 therefore total QUESTIONS he got RIGHT : 40 /2 = 20questiOns he got WRONG = 10 so total no. of questions are 30


Discussion

No Comment Found