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Find a, b and c if its is given that the...

Find a, b and c if its is given that the numbers a, 7, b, 23, c are in an AP.

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AGRAWAL PUBLICATION-2020 QUESTION PAPER (1)-EXERCISE
  1. Find the probability that a leap year selected at random will contain ...

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  2. Find the value of p, if the mean of the following distribution is 7.5

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  3. Find a, b and c if its is given that the numbers a, 7, b, 23, c are in...

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  4. If m times the m^(th) term of an AP is equal to n times its n^(th) ter...

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  5. Find the value of k, for which the quadratic equation (k + 4)^2 + (k +...

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  6. On dividing (x^(3)-3x^(2)+x+2) by a polynomial g(x), the quotient and ...

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  7. If the sum of the squares of zeroes of the quadractic polynomial f(x) ...

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  8. In what ratio does the point P(-4,y) divide the line segmetn joining t...

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  9. Prove that a tangent to a circle is perpendicular to the radius throug...

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  10. Prove that the angle between the two tangents drawn from an external ...

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  11. In a right triangle, prove that the squre of the hypotenuse is equal t...

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  12. If sin theta + cos theta = p and sec theta + cosec theta = q. show tha...

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  13. 500 persons are taking a dip into a cuboidal pond which is 80 m long a...

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  14. Show that (12)^n cannot end with digit 0 or 5 for any natural number n...

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  15. Prove that (sqrt 2 + sqrt 5)is irrational.

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  16. A train covered a certain distance at a uniform speed. If the train wo...

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  17. If an equilateral triangle ABCD is a point on the side BC such that BD...

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  18. Prove that the sum of squres of the sides of a rhombus is equal to the...

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  19. If the angle of elevation of a cloud from a point 10 metres above a la...

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  20. A vertical tower of height 20 m stands on a horizontal plane and is s...

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