Select the number from among the given options that can replace the question mark (?) in the following series. 15, 15, 17, 51, 55, ?
275
The correct answer is 275.
Look for patterns involving squares, cubes, prime numbers, etc. Consider combinations of operations (like in this problem). Break down the series into sub-series if needed. Practice with various types of series helps in quickly recognizing patterns during exams.
Similar Questions
Which of the following numbers will replace the question mark (?) in the given series?
6, 8, 11, 16, ?, 34, 47, 64
Which number will replace the question mark (?) in the following series?
11, 19, ?, 49, 79, 128
Select the option that represents the letters which when sequentially placed from left to right in the blanks below will complete the letter series.
P _ I _ Y _ O _ U Y P _ K U _ P O _ _ Y
Which of the following numbers will replace the question mark (?) in the given series?
98, 97, 101, 92, ?
Which of the following numbers will replace the question mark (?) in the given series?
8, 15, 25, 38, ?, 73
Which of the following numbers will replace the question mark (?) in the given series?
7, 7, 5, 15, 11, 55, 49, 343, ?
Which of the following numbers will replace the question mark (?) in the given series?
66, 86, 126, ?, 366
Which of the following numbers will replace the question mark (?) in the given series?
54, 46, 34, 26, 14, ?
Which of the following numbers will replace the question mark (?) in the given number series?
25, 115, 214, 322, ?, 565, 700
Which of the following numbers will replace the question mark (?) in the given series?
73, 57, 43, 31, ?, 13
Important Questions from Number Series
What will come in place of question mark (?) in the following number series?
2, 5, 11, 23, 44, 77, ?
What will come in place of question mark (?) in the following number series?
31, 32, 36, ?, 61, 86
What will come in the place of question mark (?) in the following number series?
3, 6, 18, ?, 630, 6930
What should come in place of the question mark ‘?’ in the following number series?
60, 40, 50, ?, 180, 460
A series is given with one term wrong. Select that wrong term from the given alternatives.
J12, M24, P48, S96, U192
