In a bag,the ratio of the number of 2 rupee, 1 rupee and 50 paise coins is 3 : 4: 5. If the total amount in the bag is ₹250, then how many 1 rupee coins are there?
Answer & explanation
Correct answer: option 4
2 Rs : 1 Re : 50 p
3 : 4 : 5
⇒ 3 x 2 : 4 x 1 : 5 x 0.5
⇒ 6 : 4 : 2.5
⇒ (6 + 4 + 2.5) units = Rs. 250,
⇒ 12.5 units = 250
⇒ 1 unit = 20
⇒ No. of 1 Re coins = 4 x 20 = 80