1.

A certain amount was to be distributed among A,B and C in the ratio 2:3:4 respectively, but was erroneously distributed the ratio 7:2:5 respectively. As a result of this, B goty ₹ 40 less. What is the amount ?

Answer»

`₹210//-`
`₹270//-`
`₹230//-`
`₹280//-`

SOLUTION :Let amount of `B=₹ x`
B's Share without error `=("B's ratio")/("Total ratio")xx "Total Amount "`
`x=(3)/(9) xx " Total Amount"`
B's Share after error`=("B's new ratio")/("Total newratio")xx "Total Amount "`
` x-40=(2)/(14)xx " Total Amount" ......(2)`
From equation (1) and (2)
`3x=7(x-40) `
`3x-7x=-280`
`THEREFORE x=70`
Total Amount `=7(70-40)=₹ 210`


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