Series · Logical Reasoning and General Mental Ability · UPSC Civil Service

What comes at $X$ and $Y$ respectively in the following sequence?

January, January, December, October, X, March, October, Y, September

Consider the sequence

AB_CC_A_BCCC_BBC_C that follows a certain pattern. Which one of the following completes the sequence?

What is $\mathbf{X}$ in the sequence

$$ 24, X, 12,18,36,90 ? $$

What is $\mathbf{X}$ in the sequence $1,3,6,11,18, X, 42$ ?

Consider the sequence:

A_BCD_BBCDABC_DABC_D

that follows a certain pattern. Which one of the following completes the sequence?

What is the middle term of the sequence

Z, Z, Y, Y, Y, X, X, X, X, W, W, W, W, W ____, A?

Replace the incorrect term by the correct term in the given sequence

3, 2, 7, 4, 13, 10, 21, 18, 31, 28, 43, 40

where odd terms and even terms follow the same pattern.

Following is a matrix of certain entries. The entries follow a certain trend row-wise. Choose the missing entry (?) accordingly.

You are given two identical sequences in two rows:

What is the entry in the place of C for the Sequence-II?