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What should subtracted from each element of 5:7 to make the result 2:3.

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UNITED BOOK HOUSE-KANACHI HIGH SCHOOL-EXERCISE
  1. If the compound interest of some money for 2 years at the rate of comp...

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  2. In a partnership business Ram and Hori invest Rs 1,200 & Rs 800 respec...

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  3. What should subtracted from each element of 5:7 to make the result 2:3...

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  4. If x prop y, y prop z and z prop x, find the product of three variatio...

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  5. If the length of the diagonals of a rhombus are 24 cm and 10 cm then t...

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  6. Two chords AB and AC of a circle are mutually perpendicular to each ot...

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  7. If r cos theta = 3 and r sin theta = sqrt3 then find the value of r a...

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  8. If the ratio of three consequctive angles is 1:2:3 then find the value...

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  9. In right angled triangle ABC, angleB is right angle. If AB= 8sqrt3cm ...

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  10. If the volume, base area and height of a right circular cone are V cu ...

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  11. If each edge of a cube is increased by 50%, then how much the total su...

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  12. If ui = (xi-25)/5,sumfiui = 20 and sumfi= 100 then find the value of b...

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  13. At the same rate of simple interest in percent per annum, if a princip...

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  14. Pradipbabu and Aminabiib started a business jointly by investing Rs 24...

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  15. Solve: 1/(a+b+x) = 1/a+1/b+1/x,x!=0,-(a+b)

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

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  17. If x= (sqrt7+sqrt3)/(sqrt7-sqrt3) and xy = 1, show that (x^2+xy+y^2)/(...

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  18. If a alpha b and b alpha c, show that a^3+b^3+c^3 alpha 5 abc.

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  19. If a^2/(b+c)=b^2/(c+a)=c^2/(a+b)=1, show that 1/(1+a)+1/(1+b)+1/(1+c)=...

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  20. If x/(lm-n^2)=y/(mn-l^2)=z/(nl-m^2), then show that lx+my+nz=0

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