Home
Class 10
MATHS
Form the pair of linear equations In the...

Form the pair of linear equations In the following problems and find their solutions (if they exist) by any algebraic method. :- Yash scored 40 marks in a test, getting 3 marks for each right answer and losing 1 mark for each wrong answer. Had 4 marks been awarded for each correct answer and 2 marks been deducted for each incorrect answer, then Yash would have scored 50 marks. How many questions were there in the test ?

Text Solution

Verified by Experts

The correct Answer is:
20
Promotional Banner

Topper's Solved these Questions

  • PAIR OF LINEAR EQUATIONS IN TWO VARIABLES

    SWAN PUBLICATION|Exercise EXERCISE 3.6|11 Videos

  • PAIR OF LINEAR EQUATIONS IN TWO VARIABLES

    SWAN PUBLICATION|Exercise EXERCISE 3.7|11 Videos

  • PAIR OF LINEAR EQUATIONS IN TWO VARIABLES

    SWAN PUBLICATION|Exercise EXERCISE 3.4|9 Videos

  • INTRODUCTION TO TRIGONOMETRY

    SWAN PUBLICATION|Exercise Exercise 8.4 (Choose the correct option and justify your choice) |4 Videos

  • POLYNOMIALS

    SWAN PUBLICATION|Exercise EXERCISE 2.4 (OPTIONAL) |5 Videos

Similar Questions

Explore conceptually related problems

In a test (+5) marks are give for every correct answer and (-2) marks are given for every incorrect answer. Radhika answered all the questions and scored 30 marks though she got 10 correct answers.

In a class test containing 10 questions, 5 marks are awarded for every correct answer and (-2) marks are awarded for every incorrect answer and 0 for questions not attempted. Reshma gets five correct answers and five incorrect answers, what is her score?

In a class test containing 10 questions, 5 marks are awarded for every correct answer and (-2) marks are awarded for every incorrect answer and 0 for questions not attempted. Mohan gets four correct and six incorrect answers. What is his score?

In a class test (+3) marks are given for every correct answer and (-2) marks are given for every incorrect answer and no marks fornot attempting any question. Mohini scores -5 marks in this test, though she has got 7 correct answers. How many questions has she attempted incorrectly?

In a class test containing 15 questions, 4 marks are give for every corret answer and (-2) marks are given for every incorrect answer. One of her friends gets only 5 answers correct. What will be her score?