সাধারণ জ্ঞান
Which of the following is the next number in the series: 3, 6, 9, 18, 27, 54, 81,-?
81 because this is the pattern starting with 3 times 6 is 18, 3 times 9 is 27, 3 times 18 is 54 and 3 times 27 is 81. Got it? So the next number after 81 is worked out as 3 times 54 so the answer is 162 and so on.
