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Explain why 3xx5xx7+7 is a composite num...

Explain why `3xx5xx7+7` is a composite number.

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AGRAWAL PUBLICATION-SAMPLE PAPER 9-EXERCISE
  1. Explain why 3xx5xx7+7 is a composite number.

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  2. Find the distance of the point (7,-8)from the orgin

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  3. Find the ratio in which the line segment joining the points (-1,7)and(...

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  4. For the following distribution ,find the sum of the lower limits of th...

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  5. DeltaABC is an equilateral triangle such that ADbot BC, then AD^(2) =

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  6. An equilateral triangle A B C is inscribed in a circle with cent...

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  7. If 2cos3theta=sqrt(3)(0^(@)lethetale90^(@)), then find the value of th...

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  8. What is the perimeter of triangle with vertices (0,0)(1,0)and(0,1).

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  9. On melting a solid sphere of lead of radius 8 cm , find the number of ...

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  10. If the area of a sector of a circle of radius 2 cm is pi sq m, then wh...

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  11. If 18,a,b,-3 are in AP, then a+b=

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  12. In DeltaABC,D and E are points on the sides AB and AC respectively ,su...

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  13. In the given figure ,if angleMPQ=40^(@), then find the angleOPM.

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  14. Write the empirical relation between mean, mode and median.

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  15. If the product of the zeros of the polynomial ax^(2)-6x-12 is 4 , then...

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  16. In an A.P., If a=21 , d=-3 and a(n)=0 , then find the value of 'n' .

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  17. Write a quadratic equation whose zeros are -7 and 5.

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  18. A playgroup school is looking to refurnish the playground area that is...

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  19. A playgroup school is looking to refurnish the playground area that is...

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  20. A playgroup school is looking to refurnish the playground area that is...

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