Number Analogy
Practice and master this topic with our carefully crafted questions.
In Number analogy section deals with two types of questions:
I. Choosing a similarly related pair as the given number pair on the basis of the relation between the numbers in each pair.
II. Choosing a number similar to a group of numbers on the basis of certain common properties that they possess.
The relationship is (x² + 1) : x.
The relationship is x : x (x + 1).
i.e. x : x 2+ x.
So 9 : 92+ 9 = 81 + 9 = 90.
The relationship is 7x : x.
The relationship is (2x - 4) : x.
As, (9 x 2) = 18 and (18 - 4) = 14
Similarly, If x =15 then,
(15 x 2 ) = 30 and (30 - 4) = 26
∴ ? = 15
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
⇒42 = (7)2 − 7 = 49 − 7
⇒56 = (8)2− 8 = 64 − 8
Similarly, ⇒110 = (11) 2 − 11 = 121− 11
Now, (12) 2 − 12 = 144 − 12=132
The relationship is x³ : (x + 1)³ + 1.
Clearly, 68 = 4³ + 4; 130 = 5³ + 5; 350 = 7³ + 7. So, missing number = 6³ + 6 = 216 + 6 = 222.
Clearly, 42 = 6 × 7; 56 = 7 × 8; 72 = 8 × 9. So, missing number = 9 × 10 = 90.
The relationship is x : (x - 2222).