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
In the following question, select the missing number from the given series.
3, 4, 6, 9, 13, ?
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19, 26, 40, 61, ?, 124
46, 45, 43, 42, 40, 39, ?
9, 13, 22, 38, 63, ?
In the following series, one number is missing as shown by the question mark. Select the missing number from the given options.
8, 12, 16, 20, ?
Find the number which will complete the following series.
0, 1, 8, 27, ?
Find the missing number (?) in the series
1, 1, 4, 8, 9, ?, 16, 6,...
Find the first negative term of the below A.P.
129, 120, 111, 102, ...