Question

A man has only 20 Paise and 25 Paise coins in his purse. if he has 50 coins in all. totalling Rs 11.25. how many coins of each kind do he have?​

Answer 1

ans:25

x=20p;y=25p;

x+y=50;

0.20x+0.25y=11.25;

25x+25y=1250;

20x+25y=1125

5x=125

x=125/5

x=25

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Answer 2

No of 20p coins=x No of 25p coins=y x+y=50 X=50-y eq-1 20x+25y=1125p =>4x+5y=225 4(50-y)+5y=225 200-4y+5y=225 =>y=225-200=25 nd x=25 ans