Number Series MCQs with Answers

What number comes next in the following series: $2413$, $2420$, $2434$, $2462$, $2518$, ?

• A.$2614$
• B.$2630$
• C.$2648$
• D.$2602$

If $a, A_1, A_2, A_3, \ldots, A_n, b$ are in arithmetic progression, then $A_n$ is equal to:

• A.$A_n = a + \frac{n(b-a)}{n+1}$
• B.$A_n = a + \frac{(n-1)(b-a)}{n+1}$
• C.$A_n = a + \frac{n(b-a)}{n}$
• D.$A_n = \frac{a + b}{n}$

Complete the series: $2, 6, 12, 20, 30, 42, \_\_\_\_\_$ ?

• A.$54$
• B.$56$
• C.$58$
• D.$60$

Past Paper MCQ

What is the sum of the first 1000 positive integers?

• A.$501{,}000$
• B.$500{,}000$
• C.$1{,}000{,}000$
• D.$500{,}500$

Which number should come next in the series $32, 29, 24, 22, 17, \_\_\_\_$?

• A.$15$
• B.$13$
• C.$14$
• D.$12$

What is the next number in the sequence? $23$, $5$, $63$, $9$, $73$, $?$

• A.$11$
• B.$15$
• C.$13$
• D.$17$

The general term for the arithmetic sequence $-2, 3, 8, 13, 18, \dots$ is?

• A.$a_n = 5n - 7$
• B.$a_n = 5n + 7$
• C.$a_n = 5n - 2$
• D.$a_n = 5n + 3$

Fill in the blanks (the question marks): $4 \quad 7 \quad 3 \quad \_\_\_?$ $2 \quad 5 \quad 6 \quad \_\_\_?$ $9 \quad 1 \quad 4 \quad \_\_\_?$ $6 \quad 8 \quad 2 \quad \_\_\_?$

• A.$5, 2, 7, 14$
• B.$6, 3, 8, 10$
• C.$8, 1, 6, 12$
• D.$9, 4, 3, 11$

The series obtained by adding the terms of a geometric sequence is called the?

• A.Arithmetic series
• B.Harmonic series
• C.Geometric series
• D.Fibonacci series

What is the next number in the pattern: $101$, $302$, $503$, $704$, ?

• A.$905$
• B.$805$
• C.$1005$
• D.$815$