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The marks scored by a student in Physics...

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.

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88
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CHHAYA PUBLICATION-LINEAR INEQUATIONS-EXERCISE 6 ( Short Answer Type Question)
  1. Exhibit graphically the solution set of each of the following system o...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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