When 1 is added to each of the given two numbers, their ratio becomes 3 : 4 and when 5 is subtracted from each, the ratio becomes 7 : 10. The numbers are:

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RRB ASSISTANT LOCO PILOT (Patna) 2013 click here to view all questions

When 1 is added to each of the given two numbers, their ratio becomes 3 : 4 and when 5 is subtracted from each, the ratio becomes 7 : 10. The numbers are:

A8, 11

B11, 15

C26, 35

D27, 36

rahul ? Jan 14 '2020 at 12:32

Correct answer is: 26, 35

Explanation:

Let the number be x and y

In first case

\(x+\frac{1}{y}+1=\frac{3}{4}.\)

4x-3y=-1 eq 1

In second case

\(x-\frac{5}{y}-5= \frac{7}{10}\)

10x-7y=15 eq 2

Solving eq 1 and 2

We get x=26 and y=35

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Correct answer is: 26, 35 Explanation: Let the number be x and y In first case \(x+\frac{1}{y}+1=\frac{3}{4}.\) 4x-3y=-1 eq 1 In second case \(x-\frac{5}{y}-5= \frac{7}{10}\) 10x-7y=15 eq 2 Solving eq 1 and 2 We get x=26 and y=35 rahul ? answered Jan 14 '2020 at 12:32 All Comments

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