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rajat

· started a discussion

· 1 Months ago

wrong assumption in solution (Question:947735.0)

please recheck question bcz answer is 50

Question:
A man has some 50 paise coins and some 25 paise coins in her bag. If in all he has 110 coins totally Rs.42.50. How many 25 paise coins he has?
Options:
A) 20
B) 50
C) 60
D) 70
E) None of these
Solution:

Let 50 paise coin be x and 25 paise coin be y.

50x + 25y = 4250---------eq (1)

x + y = 110

x = 110 - y

PUTTING the value of x in equation,

50(110 - y) + 25y = 4250

5500 - 50y + 25y = 4250

1250 = 25y

y = 50

Knowledge Expert

· commented

· 1 Months ago

Dear student
We have fixed it.

Regards
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