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Let the Number of One Rupee coins in the Bag be : A
Let the Number of 50 Paise coins in the Bag be : B
Let the Number of 25 Paise coins in the Bag be : C
☢ Ratio of Number of 1 Rupee coins to that of 50 Paise coins is 5 : 9
☢ Ratio of Number of 50 Paise coins to that of 25 Paise coins is 2 : 1
Given : Total value of the coins in the bag is Rs. 425
It means : Sum of Total value of 1 Rupee coins and Total value of 50 Paise coins converted into Rupees and Total Value of 25 Paise coins converted into Rupees should be equal to Rs. 425
A (rupees) + B (50 paise's) + C ( 25 paise's) = 425
But, B and C are in Paise's. So, We need to convert them into Rupees
As we need only the value of 50 paise coins in the bag, convert the above equation in terms of B by substituting the value's of A and C in terms of B
★ Least Common Multiple of 9 and 8 is 72
B = (72 × 5)
B = 360
It means : Total Number of 50 Paise coins in the Bag are : 360
Answer : Option (2)
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