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The radius of a sphere (in cm) whose vol...

The radius of a sphere (in cm) whose volume is 12`pi` `cm^3`, is
(A) 3
(B) 3 `sqrt(3)`
(C) `3^2/3`
(D) `3^1/3`

A

3

B

`3sqrt3`

C

`3^(2//3)`

D

`3^(1//3)`

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X BOARD PREVIOUS YEAR PAPER ENGLISH-CBSE BOARDS 2020-QUESTION
  1. The pair of linear equations (3x)/(2)+(5y)/(3)=7 and 9x+10y=14 is

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  2. In figure PQ is tangent to the circle with centre at O at the ...

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  3. The radius of a sphere (in cm) whose volume is 12pi cm^3, is (A) 3 ...

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  4. Can (x^2 - 1) be a remainder while dividing x^4 - 3x^2 + 5x -9 by x^2 ...

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  5. Find the sum of the first 100 natural numbers.

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  6. Evaluate : 2 sec 30^(@) xx tan 60^(@)

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  7. The angle elevation of the top of a tower from a point C on the ground...

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  8. In Figure, a quadrilateral ABCD is drawn to circumscribe a circle . ...

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  9. Find the perimeter of DeltaABC, if AP=12 cm

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  10. How many cubes of side 2 cm can be made from a solid cube of side 10 c...

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  11. In the given figure, DE||AC and DF||AE. Prove that (BF)/(FE)=(BE)/(E...

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  12. Show that 5+2sqrt(7) is an irrational number, where sqrt(7) is given t...

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  13. Check whether 12^n can end with the digit 0 for any natural number n.

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  14. If A, B and C are interior angles of a DeltaABC, then show that cot(...

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  15. In Figure , a square OPQR is inscribed in a quadrant OAQB of a circle....

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  16. Draw a triangle ABC with side BC = 6 cm, AB = 5 cm and angleABC=60^@. ...

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  17. Draw a circle of radius 3.5 cm . Take a point P outside the circle at ...

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  18. Prove that : (2 cos^(3) theta-cos theta)/(sin theta-2 sin^(3)theta)=c...

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  19. A fraction become 1/3 when 1 is subtracted from the numerator and it b...

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  20. The present age of a father is three years more than three times the...

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