Home
Class 12
MATHS
To receive Grade A in a course , one mus...

To receive Grade A in a course , one must obtain an averager of 90 marks or more in five examinations (each 0f 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.

Text Solution

Verified by Experts

The correct Answer is:
Sunitha must obtain a minimum of 82 marks to get 'A' grade in the course.
Promotional Banner

Topper's Solved these Questions

  • LINEAR INEQUALITIES

    NEW JOYTHI PUBLICATION|Exercise EXERCISE|26 Videos

  • LINEAR INEQUALITIES

    NEW JOYTHI PUBLICATION|Exercise QUESTIONS FROM COMPETITIVE EXAMS|38 Videos

  • LIMITS AND DERIVATIVES

    NEW JOYTHI PUBLICATION|Exercise QUESTIONS FROM COMPETITIVE EXAMS|20 Videos

  • LINEAR PROGRAMMING

    NEW JOYTHI PUBLICATION|Exercise OBJECTIVE TYPE QUESTIONS|12 Videos

Similar Questions

Explore conceptually related problems

To secure A grade one must obtain an average of 90 marks or more in 5 subjects each of maximum 100 marks. If one scored 84,87,95,91 in first four subjects, what is the minimum mark one scored in the fifth subject to get A grade in the course?

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.

Arathi took 3 examinations in a year. The marks obtained by her in the second and third examinations are more than 5 and 10 respectively than in the first examination. If her average mark is atleast 80, find the minimum mark that she should get in the first examination.

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

The following pie chart gives the marks scored in an examination by a student in various subjects . If the total marks obtained by the student were 360 , answer the questions. Find the marks obtained in each subject.

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

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.

NEW JOYTHI PUBLICATION-LINEAR INEQUALITIES-QUESTIONS FROM COMPETITIVE EXAMS
  1. To receive Grade A in a course , one must obtain an averager of 90 mar...

    Text Solution

    |

  2. The set of all x satisying the inequility (4x-1)/(3x+1) ge 1 is

    Text Solution

    |

  3. The set of values of x satisfying 2 le | x-3| lt 4 is

    Text Solution

    |

  4. Number of integral solutions of (x+2)/(x^2 + 1) gt 1/2 is

    Text Solution

    |

  5. If r is a real number |r| lt 1 and if a= 5(1-r) , then

    Text Solution

    |

  6. Suppose a,b and c are real numbers such that a/b gt 1 and a/c lt 0 . W...

    Text Solution

    |

  7. If x^2 + 2x + n gt 10 for all real number x, then which of the followi...

    Text Solution

    |

  8. The set of admissible value of x such that (2x+3)/(2x-9) lt 0 is

    Text Solution

    |

  9. If x satisfies the inequations 2x - 7 lt 11 , 3x + 4 lt -5 , then x l...

    Text Solution

    |

  10. The set of all real x satisfying the inequality (3-|x|)/(4-|x|) ge 0 i...

    Text Solution

    |

  11. The solution set of the inequation (x+11)/(x-3) gt 0 is

    Text Solution

    |

  12. If 3 le 3t - 18 le 18 , then which one of the following is true ?

    Text Solution

    |

  13. If |2x-3| lt |x+5| , then x lies in the interval

    Text Solution

    |

  14. The solution of (x+3)/(x-2) le 2 is

    Text Solution

    |

  15. If (2x+3)/(5) lt (4x-1)/(2) , then x lies in the interval

    Text Solution

    |

  16. If 7x-2lt 4 - 3x and 3x-1 lt 2 + 5x , then x lies in the interval

    Text Solution

    |

  17. If x satisfies the inequalities x+7 le 2x + 3 and 2x+4 lt 5x + 3 , th...

    Text Solution

    |

  18. The set of point (x,y) satisfying x+y le 1 , -x-yle 1 lie in the regio...

    Text Solution

    |

  19. The number of solutions of the inequation |x-1| + |x+2| lt 4 is

    Text Solution

    |

  20. The shaded region shown in the figure is given by the inequations

    Text Solution

    |

  21. The set of all x satisying the inequility (4x-1)/(3x+1) ge 1 is

    Text Solution

    |