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Write True or False: The curved surfac...

Write True or False:
The curved surface area of a solid hemisphere with radius r cm is `2pir^2` sq.cm.

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UNITED BOOK HOUSE-ANISHMALI UNTIED ACADEMY-EXERCISE
  1. Write True or False: Two tangents can be drawn from any external poi...

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  2. Write True or False: Value of sin^25theta+cos^25theta = 5

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  3. Write True or False: The curved surface area of a solid hemisphere w...

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  4. Write True or False: Mode of 2,3,5,6,4,2,4,8,9,5,4,7 is 9

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  5. Calcualte the numbewr of year for which a principal becomes twice of i...

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  6. In a partnership bussiness, Pallabi invests Rs 600 for 7 months and Ra...

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  7. If p:q = 3:5 and q-p = 4 then (3p+4q) = ?

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  8. In x=2+sqrt3 then (x^2+1)/x=?

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  9. Length of two chords of a circle with centre at O are 6 cm and 8 cm. I...

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  10. The radius of a circle with centre O is 5cm. P is a point at a distanc...

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  11. If the ratio of the length of the sides of a triangle be 1:sqrt3:2 the...

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  12. Height and base radius of a cone are equal. Find the ratio of the curv...

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  13. If each edge of a cube is doubled then how much the volume of the cube...

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  14. If tan 6 theta . tan 4 theta= 1 then find the value of sin 5 theta.

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  15. The length of radius of a circle 14 cm. Determine the circular value o...

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  16. If the mean of a frequency distribution is 8.1 sumfixi= 133+5k and sum...

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  17. Find the sum of money if the difference between compound interest and ...

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  18. Dipu, Rabeya and Megha have started a small business by investing that...

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  19. If the roots of the quadratic equation (b-c)x^2+(c-a)x+(a-b)= 0 are eq...

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  20. Solve: 1/((x-1)(x-2))+1/((x-2)(x-3))+1/((x-3)(x-4))=1/6[x!=1,2,3,4]

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