RRB Junior Engineer Stage 1 Model Papers 9

Question : 19 of 100

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Two number are in the ratio 7 : 11. If 7 is added to each of the numbers, the ratio becomes 2 : 3. The smaller number is

Solution:

Let the numbers be 7x and 11x respectively.

∴{7x+7}/{11x+7}=2/3

∴22x+14=21x+21

⇒x=7

∴ Smaller number

=7x=7×7=49

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