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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 minimum marks he should get in the third test to have an average of at least 60 marks.

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The correct Answer is:
Marks greater than or equal to 35
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FULL MARKS-BASIC ALGEBRA-Additional Question sloved
  1. Solve: |x-1|le5,|x|ge2

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  2. Solve : |x-1/4|lt|1/2x-3/4|

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  3. Ravi obtained 70 and 75 marks in first two unit tests. Find the minimu...

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  4. To receive Grade A in a course , one must obtain an averager of 90 mar...

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  5. Find the pairs of consecutive odd positive intergers both of which are...

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  6. Find all pairs of consecutive even positive intetegers, both of which ...

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  7. Forensic scientists use h=61.4+2.3F To predict the right h in centimet...

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  8. Find the values of k so that the equation x^(2)-2x(1+3k)+7(3+2k)=0 ha...

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  9. If the sum and product of the roots of the equation ax^(2)-5x+c=0 are ...

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  10. IF alpha and beta are the roots of the equation 3x^(2)-4x+1=0, form t...

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  11. If one root of the equation 3x^(2)+kx-81=0 is the square of the other ...

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  12. If one root of the equation 2x^(2)-ax+64=0 is twice that of the other ...

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  13. Solve 2x + 1 = x - 2

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  14. Solve (2x-1)/xgt-1

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  15. Solve (x+1)/(x-1)gt0

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  16. Find the zero of the polynomial function f(x)=9x^(2)-36

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  17. If x=2 is one the of roots of x^(3)+2x^(2)-5x-6=0 then find the other...

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  18. Solve for x^2+10x+5=0

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  19. Solve the equation x^(3)+5x^(2)-16x-14=0 given x+7 is a root

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  20. Resolve into partial fractions (3x+7 )/(x^(2)-3x+2)

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