Question

Meena went to bank to Meena went to bank to withdraw rupees mm she's the cashier to give for rupees 50 and 100 notes only Meena got 25 notes in all how many notes of rupees 50 and 1000 she received

Answer 1

Let the number of RS 50 be x
The money with 50 notes is =50x

Let the number of 100 RS note be y
The money with 100rupees note is= 100y
Now
50x+100y=1000
50(x+2y) =1000
x+2y =20 (I)
So there are total 20 notes in the deck of money
So both numbers are of notes was 25
x+y = 25. (II)
Now using eliminating method on eq 1&2
x+ y =25
- x+2y =20
-------------
y =-5

Putting the value of -5 in eq 1
Here it shows negetaive value which is not possible so this question is wrong the amount if rupees should be 2000 because amount 1000 is not possible with such conditions

Answer 2

Step-by-step explanation:

Given :-

Meena went to a bank to withdraw Rs.2000.

She asked the cashier to give Rs. 50 and Rs. 100 notes only .

Meena got 25 notes in all .

Solution :-

Let the number of Rs 50 notes and Rs 100 notes be x and y.        

According to the question,                  

⇒ x + y = 25 ... (i)                  

⇒ 50x + 100y = 2000 ... (ii)                  

Multiplying equation (i) by 50, we get                  

⇒ 50x + 50y = 1250 ... (iii)                  

Subtracting equation (iii) from equation (ii), we get                  

⇒ 50y = 750                  

⇒ y = 15                  

Putting this value in equation (i), we have

⇒ x = 10  

Hence, Meena has 10 notes of Rs 50 and 15 notes of Rs 100.

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