hoose the number pair/group which is different from others.
1. 40 : 50
2. 30 : 36
3. 8 : 10
4. 28 : 35
5. 16 : 20	Choose the correct choice from the following answers:
A) 30 : 36 B) 30 : 39 C) 30 : 332 D) 30 : 37 E) 30 : 34
Explanation:   40 : 50 ==&gt; 4 : 5   30 : 36 ==&gt; 5 : 6   8 : 10 ==&gt; 4 : 5   28 : 35 ==&gt; 4 : 5   16 : 20 ==&gt; 4 : 5   In each of the pair except 30 : 36, the ratio of the two numbers is 4 : 5.   30 : 36NSWER: 30 : 36
<result>A</result>
hoose the number pair/group which is different from others.
1. 40 : 50
2. 30 : 36
3. 8 : 10
4. 28 : 35
5. 16 : 20