There are 100 questions on Manu's test. She has completed 40 of the questions. What percent of the 100 questions has Manu completed?
In a class test (+5) marks are given for every correct answer and (-2) for every incorrect answer. No marks are given for not attempting any question
(I) Radhika scored 20 marks. If she has got 12 correct questions. How many questions has she attempted incorrectly.
(II) Mohini scores -5 marks in this test though she has got 7 correct. How many questions has she attempted incorrectly
Solve the following.
There are 60 questions in a question paper. If Chandra answers 90% of them, how many questions has she answered?