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Write True or False
Simplest value of `(sin 72^@-cos 18^@)` is 1.

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UNITED BOOK HOUSE-SUJAPUR HIGH SCHOOL-EXERCISE
  1. Write True or False x^3y,x^2y^2 and xy^3 are in continued proportion...

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  2. Write True or False The angle in the segment of a circle which is g...

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  3. Write True or False Simplest value of (sin 72^@-cos 18^@) is 1.

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

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  5. Write True or False Mode of the data 2,3,9,10,3,3,9 is 10.

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  6. The interest of some of money for one month at the rate of simple inte...

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  7. In a partnership business of two partners total profit is Rs 1,500. If...

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  8. If (3x-5y)/(3x+5y)=1/2 find the value of (3x^2-5y^2)/(3x^2+5y^2)

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  9. If the sum and product of the roots of the equation kx^2+2x+3k=0(k!=0)...

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  10. In triangleABC , D and E are the points on AB and AC in such a way tha...

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  11. Length of two chords AB and CD of a circle with centre O are equal. ...

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  12. Find the length of the chords which is 8 cm away from the centre of a ...

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  13. If tan 4 thetaxxtan 6 theta = 1 and 6 theta is a positive acute angle,...

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  14. Fill n the blanks if the angle of elevation a kite is 60^@ and the l...

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  15. If the height and curved surface area of a right circular cylinder ar...

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  16. The numerical values of volume of a solid hemisphere and its total sur...

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  17. Mean of a freqency distribution is 54, sumfixi = 2200+5k and sumfi = 4...

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  18. Throught the publicity of road safety programme, the street accidents...

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

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  20. Solve: x/(x+1)+(x+1)/x= 2 1/12(x!=0,-1)

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