A bag contains 1 rupee, 50 paise and 25 paisa coins whose values are in the proportion of 3 : 4 : 5 . If the total numbers of coins are 620 then find the number of 50 paise coins.
Answer & explanation
Correct answer: option 1
1Rs. 50 p 25 p
Value 3 : 4 : 5
↓ ↓ ↓
No. of coins 3 : 8 : 20
Total number of coins is = 31R
31R = 620
1R = 20
the number of 50 paise coins = 8R = 8 × 20 = 160