A box contain 7 one rupee coins and 5 ten rupee coins.A coin is drawn at random.What is the probability that the coin drawn is ten rupee coin? Choose the most appropriate option
A) 5/12	B) 7/12	C) 12/5	D) 12/7	E) 4/5
Total number of coins = 7+5= 
<gadget id="calculator">7+5</gadget>
<output>12</output>
12   no. of ten rupee coins= 5   probability of drawn a ten rupee coin= 5/12   5/12nswer is 5/12
<result>A</result>
A box contain 7 one rupee coins and 5 ten rupee coins.A coin is drawn at random.What is the probability that the coin drawn is ten rupee coin?