Aptitude and Reasoning Questions

Q:

Find the odd number in the following number series?

24, 4, 13, 41, 151, 640

A) 4 B) 640
C) 41 D) 13
 
Answer & Explanation Answer: C) 41

Explanation:

The given number series follows the pattern that,

 

24×0 + 4  = 4  

 

4×1  + 9   = 13

 

13×2 + 16 = 42

 

42×3 + 25  = 151

 

151×4 + 36 =  640

 

Therefore, the odd number in the given series is 41

Report Error

View Answer Report Error Discuss

Filed Under: Odd Man Out
Exam Prep: GATE , CAT , Bank Exams , AIEEE
Job Role: Bank PO , Bank Clerk

28 105544
Q:

Complete the missing number in the given series.

5,  20,  76,  (—),  448

A) 185 B) 225
C) 415 D) 232
 
Answer & Explanation Answer: B) 225

Explanation:

The series follows the following pattern

5 X 5 – 5 = 20

20 X 4 – 4 = 76

76 X 3 – 3 = 225

225 X 2 – 2 = 448

Hence, the term 225 denoted by (d) completes the series

Report Error

View Answer Report Error Discuss

Filed Under: Odd Man Out
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Bank Clerk , Bank PO

9 105204
Q:

Fill in the blanks with suitable prepositions from the given options.


The dog was sitting _______ the table waiting _______ catch the ball that was thrown ________ him _________ his master.

A) below, for, to, by B) under, for, towards, by
C) up, to, towards, by D) under, to, towards, by
 
Answer & Explanation Answer: D) under, to, towards, by

Explanation:

The dog was sitting under the table waiting to catch the ball that was thrown towards him by his master.

Report Error

View Answer Report Error Discuss

Filed Under: Analogy
Exam Prep: AIEEE , Bank Exams , CAT , GATE , GRE
Job Role: Analyst , Bank Clerk , Bank PO

15 105132
Q:

Simplify and find '?'

48?+32? = 320

A) 4 B) 8
C) 16 D) 32
 
Answer & Explanation Answer: C) 16

Explanation:

given

 48?+32?= 320 

=> 6?+4?=40

Now squaring on both sides

=> 36 x ? + 16 x ? + 48 x ? = 1600

=> 100 x ? = 1600

=>  ? = 16

Report Error

View Answer Report Error Discuss

Filed Under: Simplification
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Bank Clerk , Bank PO

15 104767
Q:

Select the related word/letters/numbers from the given alternatives:

Dark:Light :: Noise:?

A) Music B) Quiet
C) Melody D) Vacuum
 
Answer & Explanation Answer: B) Quiet

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Analogy
Exam Prep: Bank Exams

1 103860
Q:

The L.C.M of  22, 54, 108, 135 and 198 is

 

A) 330 B) 1980
C) 5940 D) 11880
 
Answer & Explanation Answer: C) 5940

Explanation:

 22 = 2 x 11

 54 = 2×33

108 = 22×33

135 = 33×5 

198 = 2×32×11

  L.C.M = 22×33×5×11=5940

Report Error

View Answer Report Error Discuss

Filed Under: HCF and LCM

226 103153
Q:

What is the next number in this series ? 

4, 6, 12, 18, 30, 42, 60, ?

A) 71 B) 72
C) 73 D) 69
 
Answer & Explanation Answer: B) 72

Explanation:

With close observation, you will note that each number in the list is in the middle of two prime numbers. Thus:

4 is in the middle of 3 and 5, 6 is in the middle of 5 and 7, 12 is in the middle of 11 and 13, 18 is in the middle of 17 and 19, 30 is in the middle of 29 and 31. 42 is in the middle of 41 and 43, 60 is in the middle of 59 and 61.

Therefore, the next number would be the one that is in the middle of the next two prime numbers, which is 72 (which is in the middle of 71 and 73).

Report Error

View Answer Report Error Discuss

Filed Under: Odd Man Out
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Bank Clerk , Bank PO

10 102973
Q:

In a lottery, there are 10 prizes and 25 blanks. A lottery is drawn at random. What is the probability of getting a prize?

A) 2/7 B) 5/7
C) 1/5 D) 1/2
 
Answer & Explanation Answer: A) 2/7

Explanation:

Total number of outcomes possible, n(S) = 10 + 25 = 35

 

Total number of prizes, n(E) = 10

 P(E)=n(E)n(S)=1035=27

Report Error

View Answer Report Error Discuss

Filed Under: Probability

276 102927