The least number which when subtracted from both the terms of the ratio 4 : 5 to give a ratio less than 14 : 23, is	Choose the correct choice from the following:
A) 2  B) 3  C) 4  D) 5  E) 6
Explanation :   Let x is subtracted. Then, ((4 - x)/(5 - x)) &lt; 14 / 23   23(4 - x) &lt; 14(5 - x) =&gt; 9x &gt; 22 = x &gt; 2.4.   Least such number is 3.   Answer : 3
<result>B</result>
The least number which when subtracted from both the terms of the ratio 4 : 5 to give a ratio less than 14 : 23, is