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When the son will be as old as his fathe...

When the son will be as old as his father today, the sum of their ages then will be 126, when the father was as old as his son is today, the sum of their ages then was 38. Find their present ages.

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CHETANA PUBLICATION-Linear equations in two variables-EXERCISE
  1. sqrt 2x-sqrt 5y=16, Is the equation a linear equation in two variables...

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

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

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

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

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

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

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

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

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

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

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

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  14. The forewheel of a carriage makes 6 revolutions more than the rearwhee...

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  15. Find the area of the triangle formed by the following lines and X axis...

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  16. Solve 2^x+3^y=17,2^(x+2)-3^(y+1)=5

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  17. A person deposits ₹x in savings bank account at the rate of 5% per ann...

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  18. The sum of the digits of a number consisting of three digits is 12. Th...

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  19. A train covered a certain distance at a uniform speed. If the train wo...

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  20. Solve:(a-b)x+(a+b)y=a^2-2ab-b^2 and (a+b)(x+y)=a^2+b^2

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