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

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^+`.

Text Solution

Verified by Experts

The correct Answer is:
Therefore, the required minimum marks the student should score in fifth paper to achieve grade `A^+` is 89.
Promotional Banner

Topper's Solved these Questions

  • LINEAR INEQUATIONS

    CHHAYA PUBLICATION|Exercise EXERCISE 6 (MULTIPLE CHOICE QUESTION)|8 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 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.

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.

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 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.

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.

At a certain examination there are 6 question papers on six subjects . In order to pass the examination , a candidate has to secure a minimum of marks in each of the 6 papers . In how many different ways may a candidate fail ?

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)

In an objective paper, there are two sections of 10 questions each.For "section 1", each question has 5 options and only one optionis correct and "section 2" has 4 options with multiple answers and marks for a question in this section is awarded only if he ticks all correct answers. Marks for each question in "sectionl 1" is 1 and in "section 2" is 3. (There is no negative marking.) If a candidate attempts only two questions by guessing, one from "section 1" and one from "section 2", the probability that he scores in both question is