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SSC CGL Model Paper 19

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Question : 6 of 100

Marks: +1, -0

Complete the given series :

93, 94, 102, ?, 193, 318

125
118
129
126

Solution:

Concept:

The series follows addition of consecutive cubes:

1^3, 2^3, 3^3, \dots

Explanation:

94 - 93 = 1 = 1^3

102 - 94 = 8 = 2^3

Next difference should be

3^3 = 27

.

So, missing term

= 102 + 27 = 129

.

Check:

129 + 4^3 = 129 + 64 = 193

.

Then,

193 + 5^3 = 193 + 125 = 318

.

Answer:

The missing term is

129

, so option C is correct.

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