A bag contains 50p,Rs.1/- and Rs2/- coins in the ratio of 4:2:1 respectively. If the total money in the bag is Rs.60/-. Find the number of 50p coins in that bag? Choose the correct choice from the following answers:
A) 20 coins
B) 40 coins
C) 60 coins
D) 70 coins
E) None
50paisa : Rs.1/- : Rs.2/- = 4 : 2 : 1 ---&gt; coins ratio   = 2 : 2 : 2 ----&gt; money ratio   Rs.2/- * 10 coins = Rs.20/-   Rs.1/- * 20 coins = Rs.20/-   50 Paisa * 40 coins = Rs.20/-   Then 50 paisa coins in that bag = 40 coins   40 coins)
<result>B</result>
A bag contains 50p,Rs.1/- and Rs2/- coins in the ratio of 4:2:1 respectively. If the total money in the bag is Rs.60/-. Find the number of 50p coins in that bag?