Number Series 4
16) Find the next two numbers in the series, 16, 20, 46, 24, 28, 56, 32 _, _
- 36, 66
- 66, 36
- 34, 62
- 62, 34
Answer: A
Explanation:
In this series, every third number follows a different pattern; it begins with 46 then 10 is added to this number to arrive at the next number (56). The main series begins with 16 then 4 is added to each number to arrive at the next number. So, the next numbers are 36(32+4) and 66 (56+10).
17) Find the next number in the series 13, 17, 19, 23, 29, _.
- 33
- 35
- 31
- 37
Answer: C
Explanation:
The given series consists of consecutive prime numbers in increasing order, so the next number (prime number) would be 31.
18) Find the missing number in the series; 196, 169, 144, _, 100, 81.
- 111
- 131
- 121
- 141
Answer: C
Explanation:
The series consists of squares of consecutive natural numbers in decreasing order, i.e., the numbers 196, 169, 144, _, 100, 81 can be written as 142, 132, 122, 112, 102, 92. So, the missing number is 121.
19) Find the next number in the series 4, 6,8,9,10,12, _.
- 14
- 13
- 15
- 16
Answer: A
Explanation:
The series consists of consecutive composite numbers, so the missing number is 14.
20) Which number should come next in the series, 12, 36,109, 329, _?
- 990
- 900
- 940
- 890
Answer: A
Explanation:
12*3+0, 36*3+1, 109*3+2, 329*3+3, _ ,
Therefore, the next number would be, (329 * 3 +3) 990.
Number Series 1
Number Series 2
Number Series 3