Series

View in English View in Hindi

In the given series one number is missing. Understand the pattern of the series and insert the number. 144, 121, 100, 81, ?, 49, 36

A)
72

B)
64

C)
76

D)
66


Correct Answer :

64


Explanation :

the pattern of the series
122=144,112=121,102=100,92=81,82=64,72=49,62=36
So missing number is 82 that is 64

Identify the next term in the given series by understanding the pattern of the series.
3, 9, 21, 39, 63, 93, ?

A)
119

B)
103

C)
129

D)
121


Correct Answer :

129


Explanation :

the pattern of series is
3, (3+6)=9, (9+12)=21, (21+18)=39, (39+24)=63, (63+30)=93, (93+36)=129

What will come next in the following series-
B, D, G, K, P, ?

A)
T

B)
V

C)
S

D)
R


Correct Answer :

V


Explanation :

the pattern of the series is
BC
DEF
GHIJ
KLMNO
PQRSTU
V

So answer is V

Identify which number is wrong in the given series -
4, 4, 8, 24, 95, 480, 2880

A)
95

B)
24

C)
480

D)
4


Correct Answer :

95


Explanation :

next number of series can obtain by multiplying 1, 2, 3, 4, 5, 6 respectively .

4 , 4*1=4 , 4*2=8, 8*3=24, 24*4=96, 96*5=480, 480*6=2880

So, 95 is wrong.

What will come next in the following series?
BBCBCDBCDEBCDEFBCDEFGBCDEFG

A)
H

B)
F

C)
E

D)
B


Correct Answer :

H


Explanation :

B
BC
BCD
BCDE
BCDEF
BCDEFG
BCDEFGH

What will come next in the following letter series-
J K L M N O P Q J K L M N O J K

A)
K

B)
L

C)
M

D)
J


Correct Answer :

L


Explanation :

J K L M N O P Q
J K L M N O
J K L

In the given series one number is missing. Understand the pattern of the series and insert the number.
4, 7, 9, 12, 14, 17, ?, 22

A)
21

B)
19

C)
18

D)
20


Correct Answer :

19


Explanation :

the pattern of the series is
4,(4+3)=7 ,(7+2)=9 ,(9+3)=12 ,(12+2)=14 ,(14+3)=17 ,(17+2)=19 ,(19+3)=22
and according to pattern the missing number is 19

What should come next in the following sequence of letters? / दिए हुए अक्षरो के क्रम में अगला अक्षर  क्या होगा?   H H I H I J H I J K H I J K L H I J K?

M
L
H
N


Correct Answer :L

What should come next in the following letter series based on English alphabet? / निम्न में से अंग्रेजी वर्णमाला? पर आधारित अक्षरों केक्रम में अगला अक्षर क्या होगा?
BSJ, CTK, DUL, ?

EVM
EXZ
JKL
EMV


Correct Answer :EVM

What will come in place of Question mark (?).
126, 64, 34, 20, 14, (?)

A)
12

B)
14

C)
16

D)
18


Correct Answer :

12


Explanation :

126/2 +1=64
64/2 +2=34
34/2 +3=20
20/2 +4=14
14/2 +5=12

What will come in place of Question mark (?).
99, 98, 94, 85, 69, (?)

A)
54

B)
65

C)
44

D)
34


Correct Answer :

44


Explanation :

99,
99-12 =98
98-22 =94
94-32 =85
85-42 =69
69-52 =44
Therefore next number = 44.

What will come in place of Question mark (?).
[12×5-{200-(501+247-386)}]÷2 = ?

111
62
61
82


Correct Answer :111

Latest Updates

Height and Distance

An aeroplane flying at a height of 300 m above the ground passes vertically above another plane at an instant when the angles of elevation of the two planes from the same point on the ground are 60º and 45º respectively. What is the height of the lower plane from the ground?

From the top of a building 90 m high, the angles of depression of the top and the bottom of a tree are 30º and 45º respectively. What is the height of the tree?

Trigonometry

What is the value of sinx √( 1 /1+cosx + 1 /1-cosx ) ?

What is cos4 A - sin4 A / cos2 A - sin2 A equal to?

If 7sin2 x +3cos2 x = 4, 0 < x < 90º ,then what is the value of tan x?

If x = a cosθ + b sinθ and y = a sinθ - b cosθ then what is x2 + y2 equal to?

Average

The mean of 5 numbers is 15. If one more number is included, the mean of the 6 numbers becomes 17. What is the included number?

The mean marks obtained by 300 students in a subject are 60. The mean of top 100 students was found to be 80 and the mean of last 100 students was found to be 50. The mean marks of the remaining 100 students are?

In an asymmetrical distribution, of the mean and median of the distribution are 270 and 220 respectively, then the mode of the data is?

Let a, b, c, d, e, f, g be consecutive even numbers and j, k, l, m, n be consecutive odd numbers. What is the average of all the numbers?

Alligation or Mixture

25 kg of alloy X is mixed with 125 kg of alloy Y. If the amount of lead and tin in the alloy X is the ratio 1 : 2 and the amount of lead and tin in the alloy Y is in the ratio 2 : 3, then what is the ratio of lead to tin in the mixture?

Simplification

The ratio of two numbers is 1 : 5 and their product is 320. What is the difference between the square of these two numbers?

Trigonometry

What is the value of cot 4π/3 ?

Indian Politics

Article-24 of the Indian Constitution ‘Prohibition of employment of children in factories, etc’ deals with?

Article-134A of the Indian Constitution ‘Certificate for appeal to the Supreme Court’ deals with?

Chemistry

Who invented Aspirin?

Physics

A larger force on a rotating body results in larger?

What is the unit of the physical quantity, magnetic flux density?