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Two numbers are in ratio 7 11 If 7 is added...

This question belongs to Arithmetic Ability Ratio
Ratio
?

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

Answer & Solution
Correct Answer: Option B
Let the numbers be 7x and 11x.
$$\eqalign{ & {\text{According to question}}, \cr & \frac{{ {7x + 7} }}{{ {11x + 7} }} = \frac{2}{3} \cr & Or,\,22x + 14 = 21x + 21 \cr & Or,\,x = 7 \cr & {\text{Smaller}}\,{\text{number}} = 49 \cr} $$
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2 Comments
Priyanka
Priyanka 11 years ago
C of B=0.6 of A= 75 %of 1/3 then what the ratio of A,B,C
Deepika
Deepika 11 years ago
nice explanation,its
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