A bag contains a certain number of 50 paise coins, 20 paise coins and 10 paise coins inthe ratio 3:4:5. If the total value of all the coins in the bag is Rs.630, find the number of 50 paise coins ?
Options.
A) 498	B) 488	C) 428	D) 528	E) 675
50*3k + 20*4k + 10*5k = 63000   280k = 63000 =&gt; k =225   50p coins = 3k = 3*225= 
<gadget id="calculator">3*225</gadget>
<output>675</output>
675   ANSW675R:675
<result>E</result>
A bag contains a certain number of 50 paise coins, 20 paise coins and 10 paise coins inthe ratio 3:4:5. If the total value of all the coins in the bag is Rs.630, find the number of 50 paise coins ?