Home
Class 12
MATHS
To obtain grade A is an examination a st...

To obtain grade A is an examination a student must score an average of 90 marks or more in five papers each of 100 marks. If his marks in first four papers are 82,92,94 and 88, then find the minumum marks he should score in fifth paper if he wants to get grade A in the examination.

Text Solution

Verified by Experts

The correct Answer is:
94
Promotional Banner

Topper's Solved these Questions

  • LINEAR INEQUATIONS

    CHHAYA PUBLICATION|Exercise EXERCISE 6 ( Long Answer Type Question)|6 Videos

  • LINEAR INEQUATIONS

    CHHAYA PUBLICATION|Exercise SAMPLE QUESTION FOR COMPETITIVE EXAMS ( Multiple Correct Answer Type)|5 Videos

  • LINEAR INEQUATIONS

    CHHAYA PUBLICATION|Exercise EXERCISE 6 (Very Short Answer Type Question)|43 Videos

  • LINEAR DIFFERENTIAL EQUATION

    CHHAYA PUBLICATION|Exercise Sample Question for Competitive Examination(E. Assertion-Reason Type)|2 Videos

  • LINEAR PROGRAMMING GRAPHICAL METHOD

    CHHAYA PUBLICATION|Exercise Assertion Reason Type|2 Videos

Similar Questions

Explore conceptually related problems

To obtain grade A^+ is an examination a student must score an average of 90 marks or moe in five papers each of 100 marks. IF his marks in first four papers be 87, 89, 95,90, then find the minimum marks the should score in fifth paper is he wants to achieve grade A^+ .

To receive Grade ‘A’ in a course, one must obtain an average of 90 marks or more in five examinations (each of 100 marks). If Sunita’s marks in first four examinations are 87, 92, 94 and 95, find minimum marks that Sunita must obtain in fifth examination to get grade ‘A’ in the course.

Abhinav obtained 65 and 80 marks in first two unit test .Find the minimum marks he should get in the third test of have an average of at least 70 marks.

The marks scored by a student in Physics, Chemistry and Mathematics are 87,80 and 89 respectively. Find the minimum marks he should score in computer science to have an average of at least 86 marks.

Ravi obtained 70 and 75 marks in first two unit test. Find the minimum marks he should get in the third test to have an average of at least 60 marks.

The marks obtained by a student of Class XI in first and second terminal examination are 62 and 48, respectively. Find the minimum marks he should get in the annual examination to have an average of at least 60 marks.

In an examination joseph answered 15 question, of which 9 answers were correct answers but the remaining 6 were incorrect. If he gets 5 marks for each correct answer and his total is 33, let 's find the marks alloted for incorrect answer in the examinations.

A man appears in an examination in which there are four papers with a maximum of m marks for each paper.show that the number of ways of getting 2m marks on the whole is (1/3)(m+2)(2m^2+4m+3)

CHHAYA PUBLICATION-LINEAR INEQUATIONS-EXERCISE 6 ( Short Answer Type Question)
  1. Exhibit graphically the solution set of each of the following system o...

    Text Solution

    |

  2. Exhibit graphically the solution set of each of the following system o...

    Text Solution

    |

  3. Show that the solution region represented by the following inequations...

    Text Solution

    |

  4. Solve graphically the following system of linear inequations: x-yle1...

    Text Solution

    |

  5. The formula of IQ of a student is given below: IQ=m/ctimes100 Wher...

    Text Solution

    |

  6. The temperature of a solution is to be kept between 35^@C and 45^@C. F...

    Text Solution

    |

  7. The temperature of solution is to be kept between 104^@F and 113^@F. F...

    Text Solution

    |

  8. A firm produces x units of a product. The cost function C(x) and reven...

    Text Solution

    |

  9. Let x and x+2 be two consecutive odd natural numbers such that x lt26 ...

    Text Solution

    |

  10. Find all possible pairs of consecutive even positive integers such tha...

    Text Solution

    |

  11. Find all possible pairs of consecutive even natural numbers, both of w...

    Text Solution

    |

  12. The marks scored by a student in Physics, Chemistry and Mathematics ar...

    Text Solution

    |

  13. To obtain grade A is an examination a student must score an average of...

    Text Solution

    |

  14. The water acidity in a pool is considered normal when the average pH r...

    Text Solution

    |

  15. 2250 litres of an acid solution contain 35% acid. Find the range of wa...

    Text Solution

    |

  16. The lengths of three sides of a traingle are x cm, (2x+1) cm and (2x-2...

    Text Solution

    |

  17. Suppose the sum divided among three men does not exceed Rs.439. The se...

    Text Solution

    |

  18. The temperature (t^@C) at a depth x km below the surface of the earth ...

    Text Solution

    |

  19. The temperature (T^@C) at a depth x km below the surface of the earth ...

    Text Solution

    |

  20. How many litres of a 35% acid solution must be added to 500 litres of ...

    Text Solution

    |