Question

A purse contains 25 paisa coins and 50 paisa coins .the number of 25 paisa coins is three times the number of 50 paisa coins .if the total money in the pirse is Rs 50,find the number of coins of each type.

Answer 1

Let convert Rs.50 into paisa.
We know that:-
One rupee=100 paise.
i.e. Rs.50= 50×100=5000paise.

Also lets number of 50 paisa coins=x
Therefore,no. of 25 paisa=3x.

i.e. 25×3x+50x=5000
=75x+50x=5000
=125x=5000
$= x = \frac{5000}{125} = 40answer.$
Therefore,no. of 50 paisa coins=40.
No. of 25 paisa coins=3x=3×40=120.

Check-
0.50×40+0.25×120 = Rs.50
Rs.20+Rs.30 = Rs.50
Rs.50 = Rs.50
L.H.S=R.H.S
Hence,Verified.

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Answer 2

Answer:

50 paise coins be x

25 paise coins will be 4x

Total vaue of the coins = RS.30 = 300 PAISE

50x+25*4x= 300

50x+100x=300

150x=300

 SO

x=2

2 50 paise coins

25 paise coins = 4x= 4*2=8

2, 50 paise coins & 8, 25 paise coins

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