# Number Series Questions

Q:

What is the next number in series?

10, 9, 60, 90, 70, 66, ?

 A) 73 B) 19 C) 96 D) 22

Explanation:

ten = 3(number of letters)
nine = 4(number of letters)
sixty = 5(number of letters)
ninety = 6(number of letters)
seventy = 7(number of letters)
sixtysix = 8(number of letters)
ninetysix=96(number of letters)

Then, likwise choose the number which has 9 letters in its Spelling.

29 16479
Q:

Look at the series :

3, 7, 24, 11, __, 19, 19,... What number should fill the blank ?

 A) 15 B) 13 C) 21 D) 16

Explanation:

Two series alternate here, with every third number following a different pattern.
In the main series, 4 is added to each number to arrive the next.
In alternate series, 5 is subtracted from each number t arrive the next number.
Here in the main series
3 + 4 = 7
7 + 4 = 11
11 + 4 = 15
15 + 4 = 19

In alternate series
24 - 5 = 19
19 - 5 = 14...

23 16456
Q:

Complete the given number series?

8, 14, 24, 40, ?

 A) 65 B) 84 C) 96 D) 102

Explanation:

The given number series is 8, 14, 24, 40, ? .

It follows a pattern that,

8

8 x 1.5 + 2 = 14

14 x 1.5 + 3 = 24

24 x 1.5 + 4 = 40

40 x 1.5 + 5 = 65

Hence, the next number in the given number series is 65.

13 16021
Q:

What will come in place of the question mark (?) in the following number series?

312      231      295      ?      282      257

 A) 210 B) 25 C) 246 D) 279

Explanation:

The series follows a pattern that,

-92, +82, -72, +62, -52

42 15644
Q:

Which digits will come in the place of '?' in the following series ?

372, 823, 644, 582, 46?, 8?7

 A) 4, 4 B) 6, 2 C) 3, 2 D) 2, 5

Explanation:

Given series is 372, 823, 644, 582, 46?, 8?7

Here the series follow the rule that :
372 = 3+7+2 = 12
823 = 8+2+3 = 13
644 = 6+4+4 = 14
582 = 5+8+2 = 15
46? = 4+6+? = 16 => ? = 6
8?7 = 8+?+7 = 17 => ? = 2

So the missing numbers are 6 and 2

25 15557
Q:

Choose the missing terms out of the given alternatives Z, S, W, O, T, K, Q, G, ?, ?

 A) N,D B) N,C C) O,D D) O,C

Explanation:

The given sequence a combination of two series:
I)Z, W, T, Q, ?      and      II)S, O, K, G, ?

The pattern I is
Z - 3 = W
W - 3 = T
T - 3 = Q
Q - 3 = N

The pattern in II is
S - 4 = O
O - 4 = K
K - 4 = G
G - 4 = C

118 15528
Q:

CGE, RNP, FJH, OKM, IMK, __

 A) JHL B) HJL C) LHJ D) JKL

Explanation:

Here it can be seen that it is not a continuous series.

so take alternative terms.

CGE, FJH, IMK and RNP, OKM,__

Between R and O there is a gap of two letters. so the first letter in the answer is L.Proceding like this the answer is LHJ

7 14619
Q:

Find out the wrong term in the series 1, 5, 9, 15, 25, 37, 49

 A) 15 B) 49 C) 25 D) 37