Mathematics · Series, Patterns & Logical Reasoning · page 9 of 20

Number Series MCQs with Answers

Includes 29 past paper MCQs (marked).

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Number Series MCQs (81–90)

10 MCQs with answers and a short one-liner. Hide answers to test yourself.

Past paper MCQs in this chapter · See all past papers

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81.
The sum of the first 12 numbers of the series: $2, 6, 10, 14, \_\_\_\_\_$?
Correct Answer: A. $288$
One-liner
The sum of the first 12 terms of the arithmetic progression $2, 6, 10, 14, \dots$ is $288$.
82.
Which number will complete the number series? $$2, 5, 12, 23, 38, 57, \_\_\_\_\_?$$
Correct Answer: B. $80$
One-liner
The next number in the series is $80$, obtained by adding successive odd numbers starting from $3$.
83.
Solve number analogy: $123 : 13^2 :: 235 : \text{_}$?
Correct Answer: D. $25^2$
One-liner
The missing term is $25^2$ because the pattern is: sum of digits squared, i.e., $1+2+3=6 \to (6+7)^2=13^2$ and $2+3+5=10 \to (10+15)^2=25^2$.
84.
Look at this series: $53$, $53$, $40$, $40$, $27$, $27$, ... What number should come next?
Correct Answer: B. $14$
One-liner
The next number in the series is $14$, as each number repeats once while decreasing by $13$ each step.
85.
What is the next number in the following series: $1$, $3$, $8$, $19$, _?
Correct Answer: D. $42$
One-liner
The next number in the series $1, 3, 8, 19$ is $42$, following the pattern where each term is obtained by multiplying the previous term by $2$ and adding an increment that increases by $1$ each step.
86.
Find the missing number: Group 1 = $3, 5, 8$; Group 2 = $11, 14, 25$; Group 3 = $27, 31, \_\_\_\_?$
Correct Answer: C. $58$
One-liner
The missing number in Group 3 is $58$.
87.
Find the next number in the series: $2$, $15$, $41$, $80$, ?
Correct Answer: A. $132$
One-liner
The next number in the series is $132$.
88.
What is the missing number in the sequence $4, 6, 10, 18, \_?, 66$?
Correct Answer: A. $34$
One-liner
The missing number in the sequence is $34$.
89.
What comes next in the series $1, 10, 19, 28$?
Correct Answer: C. $37$
One-liner
The next term in the series is $37$ because each term increases by $9$.
90.
Past Paper MCQ
What is the missing figure in the series? $48, 45, 40, 33, 24, \_\_\_\_\_$?
Correct Answer: C. $13$
One-liner
The missing figure in the series is $13$.

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Number Series MCQs with Answers

Number Series MCQs (81–90)

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