1.

Which one among the following ratios is in ascending order?

A.  \[7:9,\text{ }11:12,\text{ }17:19,\text{ }21:25\]
B.  \[4:7,\text{ }9:16,\text{ }11:20,\text{ }13:17\]
C.  \[3:4,\text{ }7:9,\text{ }15:19,\text{ }4:5\]
D.  \[2:3,\text{ }4:5,\text{ }7:8,\text{ }8:11\]
E.  None of these
Answer» D.  \[2:3,\text{ }4:5,\text{ }7:8,\text{ }8:11\]


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