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Sum of the present ages of Manish and Sa...

Sum of the present ages of Manish and Savita is 31. Manish’s age 3 years ago was 4 times the age of Savita. Find their present ages.

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The correct Answer is:
Manisha's age 23 years
Savita's age 8 years.
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BAL BHARTI-LINEAR EQUATIONS IN TWO VARIABLES-PROBLEM SET - 1
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  2. Solve the following simultaneous equations graphically. 3x + y = 10...

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  3. Find the values of each of the following determinants. |(4,3),(2,7)...

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  4. Find the values of each of the following determinants. |(5,-2),(-3,...

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  5. Find the values of each of the following determinants. |(3,-1),(1,4...

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  6. Solve the following equations by Cramer’s method. 6x - 3y = -10 , ...

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  7. Solve the following equations by Cramer’s method. 4m - 2n = -4 , 4m...

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  8. Solve the following equations by Cramer’s method. 3x - 2y = (5)/(2)...

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  9. Solve the following equations by Cramer’s method. 7x + 3y = 15 , 12...

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  10. Solve the following equations by Cramer’s method. (x + y - 8)/(2) =...

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  11. Solve the following simultaneous equations. (2)/(x) + (2)/(3y) = (1...

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  12. Solve the following simultaneous equations. (7)/(2x + 1) + (13)/(y ...

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  13. Solve the following simultaneous equations. (148)/(x) + (231)/(y) =...

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  14. Solve the following simultaneous equations. (7x - 2y)/(xy) = 5 , (8...

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  15. Solve the following simultaneous equations. (1)/(2(3x+4y))+(1)/(5(2x-3...

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  16. A two digit number and the number with digits interchanged add up to 1...

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  17. Kantabai bought 1.5kg tea and 5kg sugar from a shop. She paid ₹50 as f...

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  18. Sum of the present ages of Manish and Savita is 31. Manish’s age 3 yea...

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  19. In a factory the ratio of salary of skilled and unskilled workers is 5...

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  20. Places A and B are 30 km apart and they are on a straight road. Hamid ...

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