The ratio of the age of a rithick and his wife is 12:9. At the time of marriage the ratio was 10:6 and After 6 years this ratio will become 18:14. How many years ago were they married? a) 27 b) 12 c) 18 d) 14

1 Answer

Answer :

C

Let the present age of the rithick and his wife be 12x and 9x respectively.

After 6 years this ratio will become 18:14 =>9:7

(12x+6): (9x+6) = 9:7

84x+42 =81x+54

x=4

Present age of the rithick =12x=48

Present age of his wife =9x=36

Assume that they got married before t years. Then,

(48-t):(36-t)=10:6

144-3t=180-5t

2t=36

t=18

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