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A father is 30 years older than his son....

A father is 30 years older than his son.One year ago he was 4 times as old as his son.Find their present ages

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VGS PUBLICATION-BRILLIANT-PAIR OF LINEAR EQUATIONS IN TWO VARIABLES-CCE MODEL EXAMINATION
  1. The pair of equations x=3,y=2 graphically represent lines which……..

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  2. If the pair of equations 2x+y=7 and 6x-py-21=0 has infinite number of ...

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  3. The value of k for which the system of equations kx+3y=1, 12x+ky=2 has...

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  4. The line 3x+y=7 intersects X-axis at…………

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  5. For what value of k, 2x+3y=4 and (k+2)x+6y=3k+2 will have infinitely m...

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  6. (x+1)/(2)+(y+1)/(3)=9,(x-1)/(3)+(y+1)/(2)=8 then x=………

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  7. In the above problem height=cm.

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  8. If the equations (2m-1)x+3y-5=0, 3x+(n-1)y-2=0 has Inflnlte num. ber o...

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  9. In the above problem a5=…

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  10. A fraction becomes (9)/(11) if 2 is added to both numerator and denomi...

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  11. The ration of incomes of two persons is 11: 7 and the ration of their ...

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  12. The ratio of incomes of two persons is 9:7 and the ratio of their expe...

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  13. The age of a father 8 years ago was 5 times that of his son 8 years. H...

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  14. A father is 30 years older than his son.One year ago he was 4 times as...

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  15. The two lines 2x-y=1,x+2y=13 will intersect at ………..

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  16. Identity parallel lines

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  17. Solution to 2x+3y=12,2y-1=x is……………

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  18. The lines x-y=1, 2x+y=8 intersect at …………

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  19. If (5)/(x-1)+(1)/(y-2)=2,(6)/(x-1)+(-3)/(y-2)=1 then x=……….

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  20. Sachin is younger than Rahul by 7 years. If their ages are in the resp...

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