Question : Directions: Select the number from among the given options that can replace the question mark (?) in the following series.
2, 6, 9, 27, 30, 90, ?
Option 1: 85
Option 2: 88
Option 3: 90
Option 4: 93
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Correct Answer: 93
Solution :
Given:
2, 6, 9, 27, 30, 90, ?
In the above-given series, multiply and add 3 alternatively to the previous number to get the next number.
2 × 3 = 6; 6 + 3 = 9; 9 × 3 = 27; 27 + 3 = 30; 30 × 3 = 90; 90 + 3 = 93
So, 93 is the missing number of the series. Hence, the fourth option is correct.
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