Question

A sum of Rs.45 is made up of 100 coins of 50 paise and 5 paise. How many of them are 50 paise coins?

• A. 40
• B. 50
• C. 75
• D. 80

Answer 1

Answer:

D. 80

Let the coins be x and (100-x) 1/2x +(100-x)/4 = 45 2x + 100 - x=180 x = 80 Number of 50 paise coins is 80