Question

Malini answered 68 problems on a test correctly and received a grade of 80%. How many problems were given on the test, if all problems carried the same number of marks?​

Answer 1

Below in bold.

Explanation:

80% is equivalen to 68 correct answers

1% .. .. .. 68/80 ..

100% ,, ,, ,, (68/80) * 100 = 85 questions.