Aptitude and Reasoning Questions

Q:

Find the value of (?) in the series

3, 4, 6, 8, 12, ?, 18

 

A) 13 B) 14
C) 15 D) 16
 
Answer & Explanation Answer: B) 14

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Number Series
Exam Prep: Bank Exams

16 21160
Q:

∆PQR is right angled at Q. If m∠P = 60 deg, then find the value of (secR + 1/2).

 

A) (2√2+√3)/2   B) (√3+4)/2√3
C) √3+2   D) 5/6
 
Answer & Explanation Answer: B) (√3+4)/2√3

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

0 21159
Q:

Which of the following terms follows the trend of the given list?

 

ABABACCB, ABABCCAB, ABACCBAB, ABCCABAB, ACCBABAB, _______________.

 

A) ABABABCC B) CCABABAB
C) ABABACCB D) ABABCCAB
 
Answer & Explanation Answer: B) CCABABAB

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Alphabet Test
Exam Prep: Bank Exams

3 21143
Q:

Retired persons should not be appointed for the posts in organisations

Assumptions:

1. Retried persons may lack zeal and commitment to carry out executive's work

2. Retried persons do not take intrest in the work and welfare of new organisations

A) Only 1 is true B) Only 2 is true
C) Either 1 or 2 is true D) Neither 1 or 2 is true
 
Answer & Explanation Answer: D) Neither 1 or 2 is true

Explanation:

Since both 1 and 2 does not follow from the statement,so neither of them is implicit

Report Error

View Answer Report Error Discuss

Filed Under: Statement and Assumptions
Exam Prep: GRE

4 21143
Q:

Find the missing number in the following series:

43, 172, 86, 344, ?

A) 172 B) 258
C) 129 D) 430
 
Answer & Explanation Answer: A) 172

Explanation:
Report Error

View Answer Report Error Discuss

0 21136
Q:

382  473  568  728  847  629

If 382 is written as 238, 473 as 347 and so on, then which of the following two numbers will have least difference between them?

A) 473 & 382 B) 629 & 728
C) 629 & 847 D) 728 & 847
 
Answer & Explanation Answer: D) 728 & 847

Explanation:

The given numbers are :

382  473  568  728  847  629

When changes are made as given in the question, numbers become as follows :

238  347  856  872  784  962

Again now, find out the difference between the numbers given in options as given below:

(1) 473 - 382  => 347 - 238 = 109

(2) 629 - 728  => 962 - 872 = 90

(3) 629 - 847  => 962 - 784 = 178

(4) 728 - 847  => 872 - 784 = 88

Report Error

View Answer Report Error Discuss

20 21130
Q:

In a single throw of two dice , find the probability that neither a doublet nor a total of 8 will appear.

A) 7/15 B) 5/18
C) 13/18 D) 3/16
 
Answer & Explanation Answer: B) 5/18

Explanation:

n(S) = 36

 

A = {(1, 1), (2, 2), (3, 3), (4, 4), (5, 5), (6, 6)}

 

B = { (2, 6), (3, 5), (4, 4), (5, 3), (6, 2) }

 

nA=6, nB=5, nAB=1

 

Required probability = PAB

 

 = PA+PB-PAB

 

=  636+536-136 = 518

Report Error

View Answer Report Error Discuss

Filed Under: Probability

43 21120
Q:

Which one of the following cannot be the square of a natural number?

A) 32761 B) 42437
C) 81225 D) 20164
 
Answer & Explanation Answer: B) 42437

Explanation:

The square of a natural number never ends in 7.
42437 is not the square of a natural number

Report Error

View Answer Report Error Discuss

Filed Under: Numbers

32 21116