A sum of money is divided among three people in the ratio 4:5:7.if the second person gets rs. 245,what is the sum and how much do the first and third get?
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Let the ratio coefficient is x. Then the 1st person get rs. 4x, the 2nd person get rs. 5x and the third person get rs. 7x.
∴, 5x=245
or, x=245/5
or, x=49
∴, 1st person get rs. 4×49=Rs.196
3rd person get rs. 7×49=Rs. 343
∴, 5x=245
or, x=245/5
or, x=49
∴, 1st person get rs. 4×49=Rs.196
3rd person get rs. 7×49=Rs. 343
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