Question Details

What should come in place of the question mark (?) in the given series?
512, 1000, 1728, 2744, 4096, 5832, ?

Options

A

9261

B

6000

C

8000

D

4000

Show Answer

Correct Answer :

Option C

8000

Solution :

The correct option is 8000.


To find the missing number in the given series, let us analyze the relationship between consecutive terms by looking at their cube roots:


5123=8
10003=10
17283=12
27443=14
40963=16
58323=18


We can observe that the series consists of the cubes of consecutive even numbers:


83=512
103=1000
123=1728
143=2744
163=4096
183=5832


Following this pattern, the next even number after 18 is 20.


Therefore, the missing number in place of the question mark (?) is:


203=20×20×20=8000


Hence, the required number is 8000.

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