What is the next number of the following sequence ?
21, 77, 165, 285, ......
The series follow the rule,
21 = 77 = 92-4165 = 132-4285 = 172-4
5,9,13,17,21,(+4)...In the same way next no. will be 212-4 = 441 - 4 = 437
Select the number missing from the given sequence.
1, 2, 6, ___, 120, 720
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In the following question, select the missing number from the given series.
8, 16, 43, 107, 232, ?
9, 9, 18, 54, 216, ?
Find the value of (?) in the series
3, 4, 6, 8, 12, ?, 18
Which number will fit both the series of numbers?
Series A : 1, 4, 9,...Series B : 1, 8, 27,...
Which number will fit in '?' place in the following series?
2, ?, 12, 20, 30, 42
3, 5, 7, 9, ?
42, 21, 21, ?, 63, 157.5
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