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Formulate the following problems as a pa...

Formulate the following problems as a pair of equations and then find their solutions.
A boat goes 32 km upsteam and 60 km downstream in 9 hours. In 11 hours it can go 40 km upstream and 72 km downstream. Determine the speed of the stream and that of the boat in still water.

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BEYOND PUBLICATION-PAIR OF LINEAR EQUATIONS IN TWO VARIABLES-EXERCISE
  1. Solve each of the following pairs of equations by reducing them to a p...

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  2. Solve each of the following pairs of equations by reducing them to a p...

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  3. Formulate the following problems as a pair of equations and then find ...

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  4. Formulate the following problem as a pair of equations and then find t...

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  5. Formulate the following problems as a pair of equations and then find ...

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  6. Which of the following pairs of equations represent inconsitent system...

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  7. The pair of linear equations 3x+4y+5=0 and 12x+16y+15=0 have……..

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  8. The pair of linear equations px+2y=5 and 3x+y=1 has unique solution if

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  9. The lines represented by 8x+2py=2 and 2x+5y+1=0 are prarllel if p=

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  10. Solution of the equations sqrt2x+sqrt3y=0 and sqrt(3x)-sqrt(8y)=0

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  11. The pair of equations a1x+b1y+c1=0" and "a2x+b2y+c2=0 has unique solut...

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  12. If x=1, then the value of y satisfying the equation (5)/(x)+(3)/(y)=6

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  13. The value of y when (x+y)/(xy)=2" and "(x-y)/(xy)=6 is

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  14. If ax+by=c and px+qy=r has unique solution, then

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  15. If 5x+py+8=0 and 10x+15y+12=0 has no solution, then p=

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  16. y =5x is a line

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  17. The point (-3,-8) is in the …………quadrant

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  18. The point (7,-5) is in the…………quadrant.

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  19. Find the value of x if y=(3)/(4)x and 5x+8y=33.

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  20. (120)/(x)+(12)/(x)=11, then x=

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