A) 2 : 5
B) 4 : 5
C) 6 : 7
D) 3 : 5
Correct Answer: B
Solution :
[b] Let the third number be x. Then 1st number = 120% of x \[=\left( \frac{120}{100\times x} \right)=\frac{6x}{5}\] 2nd number = 150% of x \[=\left( \frac{150}{100}\times x \right)=\frac{3x}{2}\] Ratio of these numbers \[=\frac{6x}{5}:\frac{3x}{2}=12:15=4:5\] |
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