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Write True or False sqrt6|a||b| is a me...

Write True or False
`sqrt6|a||b|` is a mean proportional to `2a^2` and `3b^2`.

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UNITED BOOK HOUSE-RAMAKRISHNA MISSION VIDYALAYA, NARENDRAPUR-EXERCISE
  1. Fill in the blanks If the total surface area and the height of a rig...

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  2. Write True or False Perpendicular bisectors of two chords of a circ...

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  3. Write True or False sqrt6|a||b| is a mean proportional to 2a^2 and 3b...

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  4. Write True or False IF partners invest sum of money of equal period o...

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  5. Write True or False If an angle measures x^@ and y^c then the value ...

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  6. Write True or False Median of x^2,y^2,x^2+y^2 is x^2 if x>y>0

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  7. The annual income of a man reduced by Rs 60 when the rate of interest ...

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  8. A,B and C invested in the ratio of 2/3:4/5:3/4 in a partnership busine...

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  9. If the roots of the equation x^2+7x+m=0 are two consecutive whole numb...

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  10. Two circles intersect each other. Radius of both the circles is 10cm ...

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  11. If x^2+y^2-4x-6y+13=0, then find the value of (x+y):(y-x).

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  12. The cruved surface area of a shpere is reduced from 16pi sq cm to 4pi ...

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  13. If the radius of a cone be r units, its height h unit and lateral surf...

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  14. If the ratio of areas of two similar traingles be 64:49, then find th...

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  15. What is the value of the third angle of a triangle in radian when its ...

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  16. angleB is the right angle of a right angled isosceles triangleABC. Th...

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  17. If 2x^2+3y^2 alpha xy, then show that x alphay.

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  18. If the numbers 1,1/2,1/3,1/4,….1/n have frequencies 1,2,3,4…n respecti...

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  19. The simnple interest and compound interest on a certain sum os money f...

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  20. Nivedita and Uma have started a business with capital Rs.3000 and Rs 5...

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