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If `A(-2,-1),B(a ,0),C(4, b)a n d D(1,2)` are the vertices f a parallelogram, find the values of `a and b`

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X BOARD PREVIOUS YEAR PAPER ENGLISH-X Boards-All Questions
  1. If tan2A=cot(A-18^0), where 2A is an acute angle, find the value of Ad...

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  2. If 4 tan theta =3 evaluate (4sin theta - cos theta+1)/(4sin theta+cos...

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  3. If A(-2,-1),B(a ,0),C(4, b)a n d D(1,2) are the vertices f a parallelo...

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  4. If A(5,7),B(-4,-5),C(-1,-6) and D(4,5) are the vertices of a quadri...

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  5. Prove that the length of the tangents drawn from an external point to ...

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  6. In Fig. 1. ABCD is a rectangle. Find the values of x and y

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  7. Find the area of the shaded region in Fig. 3, where arcs drawn with ce...

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  8. The table below shows Salary of 280 persons. Calculate the median sala...

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  9. Find the value of a so that the point (3,a) lies on the line represent...

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  10. The HCF of two numbers a and b is 5 and their LCM is 200. Find the pro...

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  11. Cards marked with numbers 5 to 50 Cards marked with numbers 5 to 50 ar...

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  12. Prove that : (tantheta/(1-tantheta))-(cottheta/(1-cottheta))=(costheta...

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  13. If costheta+sintheta=sqrt(2)costheta, show that costheta-sintheta=sqrt...

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  14. For what value of k does the system of linear equations 2x+3y=7 and ...

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  15. Find the value of k for which x=2 is a solution of the equation kx^2+2...

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  16. Prove that sqrt(5) is irrational.

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  17. The 17^(th) term of an AP exceeds its 10^(th) term by 7. Find the comm...

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  18. Find the value of k for which the quadratic equation 3x^2+kx+3=0 has r...

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  19. Find all the zeroes of the polynomial x^4+x^3-14x^2-2x+24 if two of it...

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  20. The midpoint of the line segment joining A(29,4) and B(-2,3b) is C(2a+...

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