arrow
arrow
arrow
Select the number from among the given options that can replace the question mark (?) in the following series.1, 8, 27, 64, ?
Question

Select the number from among the given options that can replace the question mark (?) in the following series.
1, 8, 27, 64, ?

A.

125

B.

149

C.

196

D.

216

Correct option is A

Given1, 8, 27, 64, ?
Logic: The numbers are perfect cube of natural number from 1.
1 = 13
8 = 23
27 = 33
64 = 43​
The next term should be: 53
53= 125
Thus, correct option is (a).
535

Free Tests

Free
Must Attempt

CBT-1 Full Mock Test 1

languageIcon English
  • pdpQsnIcon100 Questions
  • pdpsheetsIcon100 Marks
  • timerIcon90 Mins
languageIcon English
Free
Must Attempt

RRB NTPC Graduate Level PYP (Held on 5 Jun 2025 S1)

languageIcon English
  • pdpQsnIcon100 Questions
  • pdpsheetsIcon100 Marks
  • timerIcon90 Mins
languageIcon English
Free
Must Attempt

RRB NTPC UG Level PYP (Held on 7 Aug 2025 S1)

languageIcon English
  • pdpQsnIcon100 Questions
  • pdpsheetsIcon100 Marks
  • timerIcon90 Mins
languageIcon English
test-prime-package

Access ‘RRB NTPC’ Mock Tests with

  • 60000+ Mocks and Previous Year Papers
  • Unlimited Re-Attempts
  • Personalised Report Card
  • 500% Refund on Final Selection
  • Largest Community
students-icon
368k+ students have already unlocked exclusive benefits with Test Prime!
Our Plans
Monthsup-arrow