Question : Directions: In the following question, select the missing number from the given series.
5103, 1701, 567, ?, 63, 21
Option 1: 265
Option 2: 169
Option 3: 189
Option 4: 170
Correct Answer: 189
Solution :
Given:
5103, 1701, 567, ?, 63, 21
Divide each term by 3 to get the next term in the series.
5103 ÷ 3 = 1701; 1701 ÷ 3 = 567; 567 ÷ 3 = 189; 189 ÷ 3 = 63; 63 ÷ 3 = 21
So, 189 is the missing term in the series. Hence, the third option is correct.
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