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If the total sueface area of a hemishere...

If the total sueface area of a hemishere be `36Pi` sq. cm, them its radius will be 3 cm.

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UNITED BOOK HOUSE-QUESTION PAPER 2017-Exercise
  1. If two circles of radii 7 cm and 3 cm touch each other extermally, the...

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  2. If 0^@ < theta < 90^@, then sin theta > sin^2 theta.

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  3. If the total sueface area of a hemishere be 36Pi sq. cm, them its radi...

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  4. If the perpendicular drawn on x-axis from the point of intersection of...

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  5. Answer the followings questions (any ten) : A sum of money is doubled...

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  6. A invests 1, 1/2 times more than B invests in a business. At the end o...

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  7. Without solving, find the values of 'p' for which the equation x^2 + (...

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  8. If x prop yz and y prop zx , show that z is a non zero constant.

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  9. The perimeter of two similar triangles are 20 cm and 16 cm respectivel...

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  10. In angleABC, angleABC =90^@, AB = 5 cm, BC = 12 cm. Find the length of...

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  11. In triangleABC, if AB = (2a - 1) cm, AC = 2sqrt2a cm and Bc = (2a + 1)...

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  12. If x = a sec theta and y = b tan theta, then find the relation between...

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  13. If tan (theta + 15^@) = sqrt3, find the value of sin theta + cos theta...

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  14. The diameter of one sphere is double the diameter of another sphere. I...

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  15. If the number of surface of a cuboid is x, the number of edges is y, t...

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  16. If 11, 12, 14, x - 2, x + 4, x + 9, 32, 38, 47 are arranged in ascendi...

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  17. Answer any one question : The difference between simple interest and ...

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  18. A, B, C start a business jointly investing ₨. 1,80,000 in together. A ...

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  19. Answer any one : 1/a+b+x = 1/a+1/b+1/x, [x ne 0, - (a + b)]

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  20. If 5 times of a positive whole number is less by 3 than twice of its s...

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