Question : Directions: In the following question, select the missing number from the given series.
7, 21, 63,189, 567, ?
Option 1: 1701
Option 2: 1800
Option 3: 1720
Option 4: 1781
Correct Answer: 1701
Solution :
Given:
7, 21, 63,189, 567, ?
Multiply each number by 3 to get the next term in the series –
7 × 3 = 21; 21 × 3 = 63; 63 × 3 = 189; 189 × 3 = 567; 567 × 3 = 1701
So, the required missing number in the series is 1701. Hence, the first option is correct.
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