10. A lady went to a bank with Rs. 1,00,000. She asked the cashier to give her Rs. 500 and Rs. 1,000 currency notes in return. She got 175 currency notes in all. Find the number of each kind of currency notes. 103.
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how she get the 1000ruppee notes. they are banned on year back but seriously she will get 25notes of 1000 and 150 notes of 500
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Answered by
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Let 500 notes X
And
1000notes =Y
Then first equation is
X+y=175
And second equation is
500x+1000Y=100000
500(X+2Y)=100000
X+2Y=200
THEN USE ELEMINATION METHOD
ANSWER COME
X=150
Y=25
And
1000notes =Y
Then first equation is
X+y=175
And second equation is
500x+1000Y=100000
500(X+2Y)=100000
X+2Y=200
THEN USE ELEMINATION METHOD
ANSWER COME
X=150
Y=25
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