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.560, find the number of 50 paise coins ?  Choose the correct choice.
A) 498
B) 488
C) 428
D) 528
E) 600
50*3k + 20*4k + 10*5k = 56000   280k = 56000 =&gt; k = 200   50p coins = 3k = 3*200= 
<gadget id="calculator">3*200</gadget>
<output>600</output>
600   ANSW600R:600
<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.560, find the number of 50 paise coins ?