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Ravi obtained 70 and 75 marks in first t...

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.

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The correct Answer is:
The minimum marks =35.
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NEW JOYTHI PUBLICATION-LINEAR INEQUALITIES-QUESTIONS FROM COMPETITIVE EXAMS
  1. Ravi obtained 70 and 75 marks in first two unit tests. Find the number...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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