Question

The age of Rahul and Haroon are in the ratio 3:5. Four years later, the sum of their ages will be 56 years . What are present ages of Rahul and Haroon? *

20, 28

22, 23

18, 30

40, 50​

Answer 1

Answer:

18:30

Step-by-step explanation:

age of Haroon =3x

age of Rahul =5x

after 4years.....

age of Haroon=3x+4

age of Rahul =5x+4

age of Rahul+age of Haroon=56

5x+4 +3x+4=56

8x=56-8

8x=48

X=6

present age of Rahul and Haroon

Haroon=3×6=18

Rahul=5×6=30

so that is equal to 3:5.

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Answer 2

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The age of Rahul and Haroon are in the ratio 5:7. Four years later the sum of ages will be 56 years. What are their present ages?

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Let the current age of Rahul and Haroon be 5x and 7x respectively

Four years later their ages become 5x + 4 and 7x + 4 respectively.

According to the question,

5x + 4 +7x + 4 = 56

or 12x + 8 = 56

Transposing 8 to the RHS we get,

12x = 48

Dividing both sides by 12 gives,

x = 48/12 = 4

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Thus current age of Rahul = 5*4 = 20

Haroon = 7*4 = 28

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