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A two digit number and the number with d...

A two digit number and the number with digits interchanged add up to 143. In the given number the digit in unit’s place is 3 more than the digit in the ten’s place. Find the original number.

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Solve the following word problems : The sum of a two digit number and the number obtained by interchanging the digits is 143. If the digit at the units place is 3 more than the digit at the tens place, find the original number.

The sum of two digit number and the number obtained by reversing the order of its digits is 143. The digit at ten's place is greater than digit at unit's place by 3. Find the original number.

The sum of a two digit number and the number obtained by reversing its digits in 121. Find the number, if its units place digit is greater than the tens place digit by 7.

How many three digit numbers are there, with no digit repeated?

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How many two digit numbers are divisible by 4?

BAL BHARTI-LINEAR EQUATIONS IN TWO VARIABLES-PROBLEM SET - 1
  1. Solve the following simultaneous equations graphically. 3x - y - 2...

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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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