Discussion Forum



This section deals with two types of questions:

a. Choosing a number related to a given number in the same manner as the two numbers of another given pair are related to each other

b.  Choosing a similarly related pair as the given number pair on the basis of the relation between the numbers in each pair;

c. Choosing a number similar to a group of numbers on the basis of certain common properties that they possess;

d.  Choosing a number set similar to a given number set.

 

1)

48 : 122 : : 168 : ?


A) 215

B) 225

C) 290

D) 292

Answer:

Option C

Explanation:

The relationship is (x2 - 1): [(x + 4)2 + 1].

Since 168 = (13)2- 1, so required number = (13+ 4)2 +1 = 172 + 1 = 290.

Hence the answer is (c).