Question Details

Select the set in which the numbers are related in the same way as are the numbers of the following sets.


(NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g., 13 – Operations on 13 such as adding /deleting /multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.)


(4, 16, 32)

(7, 49, 98)

Options

A

(12, 134, 288)

B

(12, 144, 288)

C

(12, 144, 278)

D

(14, 144, 288)

Show Answer

Correct Answer :

Option B

(12, 144, 288)

Solution :

The correct option is (12, 144, 288).


Let us analyze the relationship between the numbers in the given sets:

Consider the set (a,b,c):

First set: (4, 16, 32)

The second number is obtained by squaring the first number:

b=a2=42=16

The third number is obtained by doubling the second number:

c=2×b=2×16=32


Second set: (7, 49, 98)

Following the same pattern:

b=a2=72=49

c=2×b=2×49=98


Thus, the pattern governing the sets is:

(a,a2,2×a2)


Now, applying this pattern to the given correct option (12, 144, 288):

First number, a=12

Second number: 122=144

Third number: 2×144=288


Therefore, the set (12, 144, 288) follows the exact same relationship.

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