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Find the diameter of the wheel which cov...

Find the diameter of the wheel which covers a distance of 88km in 1000 revolutions.

A

14m

B

28m

C

27m

D

20m

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EDUCART PUBLICATION-SAMPLE PAPER 9 (SELF-ASSESSMENT)-Section -B
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  2. If the zeroes of the quadratic polynomial x^(2) +(a+1)x+b are 2 and -3...

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  3. Find the diameter of the wheel which covers a distance of 88km in 1000...

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  4. If sinA+sin^2A=1, then the value of cos^2A+cos^4A is 2 (b) 1 (c) -2...

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  5. What is value of alpha+ beta, if tan alpha=1 and sec beta= sqrt2 ?

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  6. Determine the ratio in which the line 2x +y 4 = 0 divides the line ...

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  7. Find the length of each side of a rhombus whose diagonals are 24 cm an...

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  8. In the equation shown below, a and b are unknown constants. 3ax+ 4y=...

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  9. The value of (sin theta - 2 sin^3 theta)/(2 cos^3 theta-cos theta) is

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  10. How many zeroes are there of y=f(x) for the given graph?

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  11. In the given figure (not drawn to scale) three trianges are shown. Whi...

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  12. If LCM (25, 70)= 350, then HCF (25, 70) is

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  13. If the mid-point of the segment joining A(x ,\ y+1) and B(x+1,\ y+2...

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  14. In the figure given below, PQRS is a square of side 14 cm and two semi...

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  15. Evaluate for sin^(29) x + cosec^(29)x, if sin x + cosec x=2.

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  16. In the figure, if DE||BC and AD: AB= 5: 9, then the ratio of areas of ...

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  17. A quadratic polynomial whose zeros are 3/5 and (-1)/2, is

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  18. The point on the x-axis which is equidistant from the points (7,6) and...

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  19. In the given figure, DE||BC. Which of the following is true?

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  20. From the following factor tree, x: y: z is equal to

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