top 200 questions

In an examination, a student scores 4 marks for every correct answer and losses 1 mark for every wrong answer. A student attempted all the 200 questions and scored 200 marks. Find the number of questions, he answered correctly.

There are 200 questions in a 3 h examination. Among 200 questions, 50 are from Mathematics, 100 are from GK and 50 are from Science. Ram spent twice as much time on each Mathematics question as for each other question. How many minutes did he spend on Mathematics questions ?

What will come in the place of the question mark ‘?’ in the following question? 78 + 85 – 30% of 200 + (8 × 5) = ?

What value will come in place of question mark (?) in the questions given below? 25% of 640 + ? % of 200 = 225

An instructor has a question bank consisting of 300 easy True / False questions. 200 difficult True / False questions. 500 easy multiple choice questions and 400 difficult multiple choice questions. If a question is selected at random from the question bank, what is the probability that it will be an easy question given that it is a multiple choice question?

What will come in the place of the question mark ‘?’ in the following question? 30% of 50 + 16.66% × 48 – 20 + 13% of 200 = ?

What will come in the place of the question mark ‘?’ in the following question? 16.66% of 96 + 37.5% of 200 – (27 xx 2) = ?