Mathematics · Series, Patterns & Logical Reasoning · page 5 of 20
Number Series MCQs with Answers
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Past paper MCQs in this chapter · See all past papers
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- 41.
Let $A_1, A_2, A_3, \dots, A_n$ be $n$ arithmetic means between $a$ and $b$, then $A_1 + A_2 + A_3 + \cdots + A_n =$ _?
- 42.
Which choice provides the answer in the following: $7 + 2 = 59$, $5 + 3 = 28$, $9 + 1 = 810$, $2 + 1 = 13$ then $5 + 4 =$ _?
- 43.
Choose the correct analogous pair: $31 : 90 :: 43 :$ _?
- 44.
Find the 34th term of the given sequence: $-31, -21, -11, -1, 9, \dots$
- 45.
Which number should come next in this series? 25, 24, 22, 19, 15, _?
- 46.
Past Paper MCQ
If $a_{n-3} = 2n - 5$, then its $n$th term is:
- 47.
Ali likes 25 but not 24; he likes 400 but not 300; he likes 144 but not 14. Which number would he like from the following?
- 48.
If $a_n = n^2$, find the sum of the 13th and 20th term of the sequence.
- 49.
What is the 7th term of the sequence defined by $a_n = 3n + 5$?
- 50.
What comes next in the series? $$100, 98, 94, 88, 80, 70, \text{?}$$