Analogy
Direction: In Each of the following questions, choose one number which is similar to the numbers in the given set.
 8, 1331, 4913

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All the numbers are perfect cubes.
Let us see
As, 8 = 2^{3}
1331 = 11^{3}
4913 = 17^{3}Correct Option: C
All the numbers are perfect cubes.
Let us see
As, 8 = 2^{3}
1331 = 11^{3}
4913 = 17^{3}
Similarly, 64 = 4^{3}
Direction: In each of the following questions, choose that set of number from the four alternative sets, which is similar to the given set.
 (4268, 8426, 8624)

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Each set is made of the digits 2, 4, 6, 8
Correct Option: B
Each set is made of the digits 2, 4, 6, 8
 (223, 324, 425)

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In each set
2nd number = 1st number + 101
3rd number = 2nd number + 101
Let use see
As, 223 + 101 = 324
and 324 + 101 = 425Correct Option: C
In each set
2nd number = 1st number + 101
3rd number = 2nd number + 101
Let use see
As, 223 + 101 = 324
and 324 + 101 = 425
Similarly, 554 + 101 = 655
and 655 + 101 = 756
 (3, 5, 7)

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Set of consecutive odd prime numbers.
Correct Option: C
Set of consecutive odd prime numbers.
 (12, 20, 28)

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In (12, 20, 28), every next number is obtained by adding 8 with the previous number.
Correct Option: C
In (12, 20, 28), every next number is obtained by adding 8 with the previous number and similarly, in (18, 30, 42).
every next number is obtained by adding 12 with the previous number.