Question

A person wants to make a sum of rs. 16 with 40 coins using 50 paise coins and 25 paise coins. How many coins are there of 25 paise?

Answer 1

Answer:

There are 16 coins of 25 paise.

Step-by-step explanation:

Given:

Sum of money of all coins = Rs. 16 = 1600 paise

Total number of coins = 40

To find: Number of 25 paise coins

Let x be the number of 50 paise coin and y be the 25 paise coin.

According to the Question,

x + y = 40 ...........................(1)

50x + 25y = 1600

2x + y = 64 ............................(2)

subtract (1) from (2),

2x - x = 64 - 40

x = 24

put value of x in (1),

24 + y = 40

y = 40 - 24 = 16

Therefore, There are 16 coins of 25 paise.