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.400, find the number of 10 paise coins ?
Choose one:
A) 914	B) 714	C) 718	D) 724	E) 814
50*3k + 20*4k + 10*5k = 40000   280k = 40000 =&gt; k = 142.85   50p coins = 3k = 3*142.85 = 428   20p coins = 4k = 4*142.85 = 571   10p coins = 5k = 5*142.85 = 714   ANSWER:714
<result>B</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.400, find the number of 10 paise coins ?