Arithmetic Progression

Look at this series: $31, 29, 24, 22, 17, ...$ What number should come next_____?

In following question, a number of series is given with one term missing. Choose the correct alternative that will follow the same pattern and find the unknown $1,2,3,6,9,18,?,54$.

Find the odd word/ letters/ number/figure pair from the given alternatives.

For what value of $n$, $\frac{a^{n+1}+b^{n+1}}{a^n+b^n}$ is the arithmatic mean of $a$ and $b$.

Select the missing number from the given alternatives.

In the following question, a matrix of certain characters is given. These characters follow a certain trend, row-wise or column-wise. Find out this trend and choose the missing character accordingly.

What will come at the place of question mark (?) in the question figure?

In the following number series how many $7$’s are there which are followed by $4$ but not preceded by $8$ ?
$547897438757487487412745794$

Select the missing number from the given responses.

In the question one number-series is given in which one term is wrong. Find out the wrong term.
$4, 11, 21, 34, 49, 69,91.$

Look at this series:$7, 10, 8, 11, 9, 12, ...$. What number should come next_____?

Select the missing number from the given alternatives.

In the question, a letter-number series is given with one or more terms missing as shown by (?). Choose the missing term out of the given alternatives.
D-$4$, F-$6$, H-$8$, J-$10$, ?, ?

Look at this series: $5.2, 4.8, 4.4, 4, ...$ What number should come next_____?

Select the missing number from the given responses

In following question, a number series is given with one term missing. Choose the correct alternative that will same pattern and fill in the blank spaces.
$1,2,5,12,27,58,121$_____.

If the $4\mathrm{th}$ term of an arithmetic progression is $14$ and the $12\mathrm{th}$ term is $70$, then the first term is$:$

Find the odd one out in the given series:

4 2.5 3.5 6.5 15.5 41.25 126.75

In following question, a number series is given with one term missing. Choose the correct alternative that will same pattern and fill in the blank spaces.
$34,18,10,6,4$_____.

If A is the brother of B; B is the sister of C; and C is the father of D, how D is related to A?