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Write True or False: The value of cos...

Write True or False:
The value of `cos54^@` and `sin26^@` are equal.

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UNITED BOOK HOUSE-SUGGESSTION OR MADHYAMIK PARIKSHA-EXERCISE
  1. Write True or False Height, radius and slant height of a right circ...

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  2. Write True or False If the ratio of curved surface of two hemispher...

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  3. Write True or False: The value of cos54^@ and sin26^@ are equal.

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  4. Write True or False: in triangleABC,angleB= 90^@, if AB = BC then ...

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  5. Write True or False: Mode of 10,3,19,10,3,19 is 10.

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  6. Write True or False: Median of 3.5,7.5,9.5,2.5,6.5,5.5 is 6.

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  7. What is the rate of simple interest per annum, when the interest of so...

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  8. If the rate of increase in population is r% per year, the population a...

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  9. If x= 5+2sqrt6 then find the value of sqrtx+1/sqrtx.

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  10. If one of the common root of the quadracti equations x^2+bx+12=0 and ...

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  11. If x^2+y^2+z^2= xy+yz+zx then find the value of (x+y):z.

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  12. If 1/x-1/y alpha 1/(y-x), show that x alpha y.

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  13. Ratio of the area of two similar triangle is 16:25. find the ratio of...

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  14. Radii of two circles are 2 cm and 3 cm and the distance between the ce...

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  15. AOB is a diameter of a circle having centre.O. C is any point on it. I...

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  16. In triangle ABC, AB = (2a-1)cm,AC = 2sqrt(2a)cm, BC = (2a+1)cm, find ...

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  17. If the volume and lateral surface of a right circular cone are numaric...

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  18. If the length of radius of a sphere is increased by 50%, then how much...

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  19. If the height of two right circular cylinder are in the ratio of 1:2 a...

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  20. The length of two adjacent walls of a room are 12m and 8 m respectivel...

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