Home
Class 14
MATHS
In an examination, a student attempte...

In an examination, a student attempted 15 questions correctly and secured 40 marks. If there were two types of questions (2 marks and 4 marks questions), how many questions of 2 marks did he attempt correctly? (a) 5       (b) 10      (c) 20      (d) 40

Promotional Banner

Similar Questions

Explore conceptually related problems

In an examination,a student scores 4 marks for every correct answer and loses 1 mark for every incorrect answer.If he attempts all 75 questions and secures 125 marks,what are the number of questions he attempted correctly?

In an examination, a student scores 4 marks for every correct answer and loses 1 mark for every wrong answer. If he attempts all 75 questions and secures 125 marks, the number of questions he attempted correctly, is

In an examination a student scores 4 marks for every correct answer and loses 1 mark for every wrong answer. If he attempts all 75 questions and secures 125 marks, the number of questions he attemtpts correctly is

In an examination , one mark is awarded for every correct answer , while (1)/(4) mark is deducted for every worng answer . If a students gets 90 marks by answering 120 questions , then how many question did she answer correctly ?

In a competitive examination, 1 mark is awarded for each correct answer while 1/2 mark is deducted for every wrong answer. Jayanti answered 120 questions and got 90 marks. How many questions did she answer correctly?

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.

In an examination,a student scores 4 marks for every correct answer and loses 1mark for every wrong answer.A student attempted all the 200 questions and scored in all 200 marks. The number of questions he answered correctly was (a) 60 (b) 68(c) 8082

X attempts 100 questions and gets 340 marks. If for every correct answer is 4 marks and wrong answer is negative one mark, then the number of questions wrongly answered by Mr. X is :