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From the pair of linear equations in the...

From the pair of linear equations in the following problems and find their solutions (if they exist) by elimination method : In an examination the ratio of passes to failures was 4:1. Had 30 less appeared and 20 less passed, the ratio of passes to failures would have been 5:1. How many students appeared for the examination ?

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From the pair of linear equations in the following problems and find their solutions (if they exist) by elimination method : There are rs 2 and rs 5 coins in a purse. If there are 60 coins of value rs 195, find the number of coins of each kind.

From the pair of linear equations in the following problems and find their solutions (if they exist) by elimination method : I am three times as old as my son. Five year later, I shall be two and a half times as old as my son. How old am I and how old is my son ?

From the pair of linear equations in the following problems and find their solutions (if they exist) by elimination method : A certain number of two digits is three times the sum of its digits and if 45 be added to i,t the digits will be reversed. Find the number.

From the pair of linear equations in the following problems and find their solutions (if they exist) by elimination method : Find the fraction which becomes equal to 1/3 when the numerator is increased by 1 and equal to 1/4 when denominator is increased by 1.

From the pair of linear equations in the following problems and find their solutions (if they exist) by elimination method : A man wanted to exchange Rs 1000 in 2 types of notes of Rs 5 and Rs 10 denominations. If he has 180 notes in all, find the number of notes of each kind.

Form the pair of linear equations in the following problems, and find their solutions (if they exist) by the elimination method : Five years ago, Nuri was thrice as old as Sonu. Ten years later, Nuri will be twice as old as Sonu. How old are Nuri and Sonu ?

From the pair of linear equations in the following problems and find their solutions (if they exist) by elimination method : If we add 3 to the numerator and subtract 2 from the denominator, a fraction becomes 2. It also becomes 1/2 if we add 1 to the denominator. Find the fraction.

From the pair of linear equations in the following problems and find their solutions (if they exist) by elimination method : 2 men and 5 women can do a piece of work in 4 days. While 4 men and 4 women can finish it in 3 days. How long would it take 1 man to do it ? How long would it take 1 woman to do it ?

From the pair of linear equations in the following problems and find their solutions (if they exist) by elimination method : If twice the son's age in years is added to the father's age, the sum is 70. But if twice the father's age is added to the son's age, the sum is 95. Find the ages of father and son.

MBD-PAIR OF LINEAR EQUATIONS IN TWO VARIABLES-EXERCISE
  1. From the pair of linear equations in the following problems and find t...

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  2. From the pair of linear equations in the following problems and find t...

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  3. From the pair of linear equations in the following problems and find t...

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  4. From the pair of linear equations in the following problems and find t...

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  5. From the pair of linear equations in the following problems and find t...

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  6. From the pair of linear equations in the following problems and find t...

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  7. From the pair of linear equations in the following problems and find t...

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  8. From the pair of linear equations in the following problems and find t...

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  9. From the pair of linear equations in the following problems and find t...

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  10. From the pair of linear equations in the following problems and find t...

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  11. From the pair of linear equations in the following problems and find t...

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  12. From the pair of linear equations in the following problems and find t...

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  13. From the pair of linear equations in the following problems and find t...

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  14. Solve the following pair of linear equations by cross multiplication m...

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  15. Solve the following pair of linear equations by cross multiplication m...

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  16. Solve the following pair of linear equations by cross multiplication m...

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  17. Solve the following pair of linear equations by cross multiplication m...

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  18. Solve the following pair of linear equations by cross multiplication m...

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  19. Solve the following pair of linear equations by cross multiplication m...

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  20. Solve the following pair of linear equations by cross multiplication m...

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