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The price of a diamond is rs 2000 . The...

The price of a diamond is rs 2000 . The diamond is broken into to equal weights . If the price of a diamond varies as the square of its weights , then find the amound of loss for the breakage.

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rs 1000
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A manufacturer produces three products x, y, z which he sells in two markets. Annual sales are indicated below: {:("Market",,"Products",),(I,"10,000","2,000","18,000"),(II,"6,000","20,000","8,000"):} (a) If unit sale prices of x, y and z are Rs. 2.50, Rs. 1.50 and Rs. 1.00, respectively, find the total revenue in each market with the help of matrix algebra. (b) If the unit costs of the above three commodities are Rs. 2.00, Rs. 1.00 and 50 paise respectively. Find the gross profit.

CALCUTTA BOOK HOUSE-VARIATION-EXERCISE
  1. Consumption of coal by an engine varies as the square of its speed. Wh...

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  2. A piece of diamond is broken into three pieces, the weights of the pie...

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  3. Three rings made of gold and set with diamonds are of the same weight...

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  4. The value of diamond varies as the square of their weights and the squ...

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  5. The price of a diamond is rs 2000 . The diamond is broken into to equ...

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  6. A valuable piece of stone whose price is rs 15600 breaks into three pi...

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  7. If x prop (1)/(y^2) then in what ratio x changes when y changes at a r...

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  8. if x prop z and y prop z, then xy prop z .

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  9. if (px^3+qy^3) prop (ax^3+by^3),then show that x prop y

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  10. If (x^6+(1)/(y^6)) prop (x^6-(1)/(y^6)) , then prove that y prop 1/x .

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  11. If (1)/(y^n)+(1)/(z^n)prop (1)/(Y^n+z^n) then prove that y prop z .

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  12. if x prop (z)/(y^2) and z^2 prop (y) /(x) then prove that x prop (1)/(...

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  13. If a prop b^4 ,b^5 prop c^6 , c^7 prop d^8 and d^9 prop p^4 then prov...

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  14. If x prop yz^2 ,y prop pq^2 and zoo q/p then prove that q^4 prop px.

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  15. If x prop y and y prop z , then prove that (x^7+y^7 +z^7) prop (x^5y^...

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  16. If x prop y and y prop z, then show that (x^m+y^m+z^m) prop (x^3y^(...

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  17. (px+qy+rz) prop (msqrt(yz)+nsqrt(zx)+tsqrt(xy)) (where P,q,r,m,n,t ar...

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  18. If a prop b^(2) , b^(3) prop c^(4) , c^(5) prop d^(6) and d^(7) prop e...

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  19. In the speech of a professor , the number of students present in the s...

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  20. The attraction force of a satellite of any planet varies directly with...

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