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A man travels 370 km partly by train and...

A man travels 370 km partly by train and partly by car. If he covers 250 km by train and the rest by car, it takes him 4 hours. But, if he travels 130 km by train and the rest by car, he takes 18 minutes longer. Find the speed of the train and that of the car.

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CHETANA PUBLICATION-Linear equations in two variables-EXERCISE
  1. If 1 is added to the numerator of a certain fraction its value becomes...

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  2. Sum of two numbers is 45 and the greater number is twice the smaller n...

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  3. A man travels 370 km partly by train and partly by car. If he covers 2...

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  4. The pair of simultaneous equations from the following is……………1)2x+2y=7...

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  5. If ax+by=c and mx+ny=d and an ne bm,then these simultaneous equations ...

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  6. Write Dx for the following simultaneous equations:5x+2y=10,-3x+y=-11

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  7. Find the value of the following determinant: |(5,7),(2,4)|

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  8. sqrt 2x-sqrt 5y=16, Is the equation a linear equation in two variables...

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  10. Solve the following simultaneous equations: x+y=8,x-y=2.

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  11. Find the value of the following determinant: |(7/8,5/3),(3/2,1/2)|

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  12. Find the value of the following determinant: |(3,-1),(1,4)|

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  13. The perimeter of rectangle is 40 cm. The length of rectangle is 2 cm m...

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  14. Solve 15x+17y=21,17x+15y=11.Complete the following activity.

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  15. A boat takes 6 hours to travel 8km up stream and 32 km down stream and...

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  16. Solve the following simultaneous equations: 2x+3y=12,x-y=1.

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  17. The sum of two digit number and the number obtained by reversing the o...

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  18. The weight of a bucket is 15kg, when it is filled with water upto 3/5 ...

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  19. Abdul travelled 300 km by train and 200 km by taxi, it took him 5 hour...

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  20. When the son will be as old as his father today, the sum of their ages...

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