# Sequencing Questions and Answers – Set 9

This set of Verbal Reasoning Questions and Answers (MCQs) focuses on “Sequencing – Set 9”.

1. How many odd numbers are there in the following series of numbers, each of which is immediately preceded by an even number, but not immediately followed by an odd number?
6 2 8 9 1 3 4 5 7 5 8 9 7 9 10 8 2 4 9 2 6
a) 1
b) 2
c) 3
d) 4

Explanation: Here, we are looking for a group of numbers i.e. even odd even. In the series it occurs only once i.e. ‘4 9 2’.

2. Identify the missing number in the series. 8, 13, 21, 34, 55, ?, 144?
a) 89
b) 55
c) 21
d) 13

Explanation: Here, the series is a Fibonacci series.
i.e., a number in the series is the sum of previous two numbers.
So, in this missing number is 34+55 =89.

3. Find the next number in the series: 25, 123, 341, 727, …. ?
a) 1824
b) 2728
c) 1329
d) 1693

Explanation: Here, each number is one less than cube of a number.
i.e., 33=27-2=25, 53=125-2=123, 73=343-2=341, 93=729-2=727.
So, the next number will be 113=1331-2=1329.

4. Deepa’s younger brother Bobby is older than Htika. Shweta is younger than Nilesh but elder than Deepa. If Nilesh is younger than Shyam then who is the eldest?
a) Deepa
b) Bobby
c) Nilesh
d) Shyam

Explanation: Here, according to question
Hitika < Bobby < Deepa < Shweta < Nilesh<Shyam.
Therefore, the eldest is Shyam.

5. A box had 15 apples. All but seven are rotten. How many are actually rotten?
a) 5
b) 7
c) 8
d) 9

Explanation: Here, it is given that all apples are rotten except 7 i.e. out of 15, 8 apples are rotten.

6. Complete the series 37, 156, 584, ?, 651, 73.
a) 286
b) 653
c) 578
d) 485

Explanation: Here, in the series after first three numbers, remaining three numbers are reversed number of previous numbers.

7. Complete the following series 17, 34, 136, 1088, 17408 …?
a) 685302
b) 534288
c) 393216
d) 557056

Explanation: Here, the pattern followed is:-
17×2=34, 34×4=136, 136×8=1088, 1088×16=17408. Similarly, 17408×32=557056.

8. Complete the following series 18, 43, 79, 128, 192….?
a) 110
b) 273
c) 206
d) 189

Explanation: Here, the difference between the digits is the square of digits i.e.
43-18 = 25 = 52, 79-43 = 36 = 62, 128-79 = 49 =72, 192-128 = 64 = 82.
Similarly, 273-192 = 81 = 92

9. Complete the following series 5, 16, 65, 326…?
a) 8249
b) 6825
c) 1957
d) 2843

Explanation: Here, the series follows the following pattern.
2×2=4+1=5, 5×3=15+1=16, 16×4=64+1=65, 65×5=325+1=326.
Similarly, 326×6=1956+1=1957.

10. In a row of 27 boys, when Mahesh shifted nine places towards the left, he become 12th from the right end. What was his earlier position form the left end of the row?
a) 24th
b) 19th
c) 27th
d) 15th

Explanation: Here, there are 27 boys and Mahesh is in 12th position from right end after shifting. i.e. Mahesh is in 3rd position from right before shifting. So 27 – 3 = 24 i.e. there are 23 boys before Mahesh, so his position was 24th from the left end.