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The product of A's age 5 years ago with ...

The product of A's age 5 years ago with his age 9 years later is 15. Find A's present age .

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AGRAWAL PUBLICATION-SAMPLE PAPER 9-EXERCISE
  1. Given the linear equation 2x+3y-8=0 , write another linear equat...

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  2. Given the linear equation 2x+ 3y- 8= 0, write another linear equation ...

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  3. The product of A's age 5 years ago with his age 9 years later is 15. F...

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  4. If x=rsinAcosC ,\ \ y=rsinAsinC and z=rcosA , prove that r^2=x^2+y^...

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  5. Prove (tantheta+2)(2tantheta+1)=5tantheta+2sec^2theta.

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  6. A cow is tied with a rope of length 14m at the corner of a rectangular...

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  7. Prove that sqrt3 is an irrational number

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  8. Find the roots of the equation : (1)/(x+4)-(1)/(x-7)=(11)/(30)(xne-4,7...

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  9. Find a fraction which becomes (1)/(2) when the denominatot is increase...

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  10. In the given figwe, a square OABC is inscribed in a quadrant OPBQ. If ...

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  11. Draw a circle of radius 3 cm. From a point 5 cm from the centre of the...

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  12. State and prove the Pythagoras theorem.

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  13. The annual rainfall record of a city for 66 days is given below in the...

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  14. Prove that (cot theta + "cosec" theta -1 )/(cot theta - "cosec" thet...

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  15. Prove that (tanA)/((1-cotA))+(cotA)/((1-tanA))=(1+tanA+cotA).

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  16. If the sum of the zeros of the polynomial 2x^(2)+3kx+3 is 6, then find...

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  17. When a pair of linear equations is said to be inconsistent?

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  18. Find the roots of the quadratic equation (3x-5)(x+3)=0.

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  19. Find the sum of natural numbers from 51 to 100.

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  20. Find the 8^(th) term from the end of the A.P..-12,-7,-2, …,68

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