In a bag there are coins of 50 paisa, 25 paisa and one rupee in the proportion 5:6:2. If there are in all Rs.42, the number of 25 paisa coins is?	Choose the correct choice from the following options:  A) 40  B) 42  C) 43  D) 45  E) 50
5x 6x 2x   50 25 100   250x + 150x + 200x = 4200   600x = 4200   x = 7 =&gt; 6x = 42   42
<result>B</result>
In a bag there are coins of 50 paisa, 25 paisa and one rupee in the proportion 5:6:2. If there are in all Rs.42, the number of 25 paisa coins is?