Question

A candidate attempted 12 questions and secured full marks in all of them. If she obtained 60% in the test and all questions carried equal marks, then what was the total number of questions in the test? (A) 15 (B) 20 (C) 25 (D) 30​

Answer 1

Answer:

answer is b

Step-by-step explanation:

Let total no. of questions be x. Now, Right questions = 12 = 60% of x. 0.6x = 12 x = 20Read more on Sarthaks.com - https://www.sarthaks.com/70101/candidate-attempted-questions-and-secured-full-marks-all-them-if-obtained-60-the-test-and

Answer 2

Correctly attempted Questions = 12

Total percentage scored = 60%

so, 60% = 12 Questions

thus, 5% = 1 Question

so, 100% = ?

12:60 :: x:100

do cross multiplication...

12×100 = 60x

1200 = 60x

1200/60 = x

20 = x

so total number of questions is 20