A bag contains one rupee 50-paise and 25-paise coins in the ratio 2:4:5.If the bag contain rs21, how many 50 paise coins are there
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Answer:
Step-by-step explanation:
number of coins
one rupee- 2 units
50 paise - 4 units
25 paise - 5 units
Total value of coins
one rupee- 2 units X 1.00=2 units
50 paise- 4 units X 0.50= 2 units
25 paise- 5 units X 0.25 = 1.25 units
Sum= 2 units + 2 units + 1.25 units
=5.25 units
5.25 units= 21 rupees
1 unit = 21 / 5.25
= 4
number of 50 paise coins = 4 units
= 4 X 4
= 16
There are 16 50 paise coins.
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