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Direction: What will come in the place of question mark (?) in the following number.

  1. 0, 7, 26, 63, ?
    1. 125
    2. 126
    3. 217
    4. 124
    5. None of these
Correct Option: D

The given series is in the below pattern,we can see that
Next term ( Tn ) = n3 - 1 { where , putting n = 1 , 2 , 3 , 4 , 5 respectively }
First term = T1 = 13 - 1 = 0
Second term = T2 = 23 - 1 = 7
Similarly we can find the all others terms
Third term = 26
Fourth term = 63
Fifth term( ? )= 124
Hence we get the value of ? = 124


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