A man has only 20-paise and 25-paise coins in a bag. If he has 50 coins in all totaling to Rs.11.25, then the number of 20-paise coins is Pick
A) 28
B) 27
C) 26
D) 25
E) 24
x=20p;y=25p;   x+y=50;   0.20x+0.25y=11.25;   25x+25y=1250;   20x+25y=1125;   =&gt;x=25;   ANSWER:25
<result>D</result>
A man has only 20-paise and 25-paise coins in a bag. If he has 50 coins in all totaling to Rs.11.25, then the number of 20-paise coins is