Question

What will come in place of the question mark (?) in the following series?

20        60       180       540      ?      4860

A 1780 Correct Answer Incorrect Answer
B 1620 Correct Answer Incorrect Answer
C 1840 Correct Answer Incorrect Answer
D 1660 Correct Answer Incorrect Answer
E None of these Correct Answer Incorrect Answer

Solution

20 x 3 = 60 60 x 3 = 180 180 x 3 = 540 540 x 3 =  1620 1620 x 3 = 4860

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