General Studies · Number Series
Two sets of numbers are given below. In each set, a certain mathematical operation on a number results in the next number. Which of the given options follows the same set of operations? 8-24-72-216; 6-18-54-162
- 111-33-99-287
- 29-27-81-343
- 312-36-108-216
- 47-21-63-189✓
Correct answer
7-21-63-189
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