Home
Class 14
MATHS
In an objective examination of 90 questi...

In an objective examination of 90 questions, 5 marks are allotted for every correct answer and 2 marks are deducted for every wrong answer. After attempting all the 90 questions a student got a total of 387 marks. Find the number of questions that he attempted wrong.

A

36

B

18

C

9

D

27

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • LINEAR EQUATIONS

    DISHA PUBLICATION|Exercise EXPERT LEVEL|13 Videos
  • LINEAR EQUATIONS

    DISHA PUBLICATION|Exercise TEST YOUSELF|15 Videos
  • LINEAR EQUATIONS

    DISHA PUBLICATION|Exercise FOUNDATION LEVEL|55 Videos
  • INTEREST

    DISHA PUBLICATION|Exercise Test Yourself|15 Videos
  • LOGARITHMS

    DISHA PUBLICATION|Exercise Test Yourself |15 Videos

Similar Questions

Explore conceptually related problems

In an examination consisting of 150 questions, one mark is given for every correct answer and one fourth marks is decucted for every wrong answer. A student attampts all the 150 questions and scores a total of 100 marks. Find the number of quesions he marked wrong.

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 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

A test has 60 questions. For each correct answer 2 marks are awarded and each wrong answer 1 marks is deducted. A candidate attempted all the questions in the test and scored 90 marks. Find the number of questions he attempted 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

in a class test containing 10 questions,5 marks are awarded for every correct answer and (-2) marks are awarded for every wrong and 0 for questions not attempted.mohan gets four correct and five wrong answers.find his score.

DISHA PUBLICATION-LINEAR EQUATIONS-STANDARD LEVEL
  1. The sum of the digits of a three-digit number is 16. If the tens digit...

    Text Solution

    |

  2. A two digit number is such that the product of its digits is 14. When ...

    Text Solution

    |

  3. When Ranjeev was born, his father was 32 years older than his brother ...

    Text Solution

    |

  4. In an exercise room some discs of denominations 2 kg and 5 kg are kept...

    Text Solution

    |

  5. One-third of Ramesh's marks in Arithmetic is equal to half his marks i...

    Text Solution

    |

  6. The sum of four numbers is 64. If you add 3 to the first number, 3 is ...

    Text Solution

    |

  7. In a family, a couple has a son and a daughter. The age of the father ...

    Text Solution

    |

  8. The sum of the numerator and denominator of a fraction is 11. If 1 is ...

    Text Solution

    |

  9. A uniform one metre long rod AB of weight 17 kg is suspended horizonta...

    Text Solution

    |

  10. In an objective examination of 90 questions, 5 marks are allotted for ...

    Text Solution

    |

  11. Two different natural numbers are such that, their product is less tha...

    Text Solution

    |

  12. Out of total number of students in a college 12% are interested in spo...

    Text Solution

    |

  13. A number consists of two digits such that the digit in the ten's plac...

    Text Solution

    |

  14. When the numerator and the denominator of a fraction are increased by ...

    Text Solution

    |

  15. If three numbers are added in pairs, the sums equal 10, 19 and 21. Fin...

    Text Solution

    |

  16. Find the number of positive integer solutions of the equation 2/x+(15)...

    Text Solution

    |

  17. Of the three numbers, the sum of the first two is 45, the sum of the s...

    Text Solution

    |

  18. In a certain factory, each day the expected number of accidents is rel...

    Text Solution

    |

  19. One of the angles of a triangle is two-third angle of sum of adjacent ...

    Text Solution

    |