\sqrt{225/729}-\sqrt{25/144}\div\sqrt{16/81}=?

Indian Institute of Foreign Trade 2011 Solved Paper

Question : 42 of 120

Marks: +1, -0

√{225/729}-√{25/144}÷√{16/81}=?

Solution:

√{225/729}-√{25/144}÷√{16/81}=x

This can be simplified as

(15/27-5/12)÷{4/9}=x

(5/36)×9/4=x

x=5/16

Hence, option A is the correct answer.

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