1.  Choose the best alternative.
149 : 238 : :  159 : ?

A. 169
B. 248
C. 261
D. 268

Answer: Option B

Explanation:

The relationship is x : (x + 89).

If x = 149

Now check the relation between the numbers :
149 : (149 + 89) = 149 : 238

Similarly, x = 159 then,
159 : (159 + 89) = 159 : 248