Rs.320 contained in a box consists of one rupee, 50 paisa and 25 paisa coins in the ratio 4:5:6. What is the number of 25 paisa coins? Choose the correct answer.
A) 388 B) 266 C) 120 D) 240 E) 267
4x 5x 6x   100 50 25   400x + 250x + 150x = 32000   x = 40   6x = 240   Answer: 240
<result>D</result>
Rs.320 contained in a box consists of one rupee, 50 paisa and 25 paisa coins in the ratio 4:5:6. What is the number of 25 paisa coins?