Aptitude and Reasoning Questions

Q:

The mean of a distribution is 18 and the standard deviation is 4.5. What is the value of the coefficient of variation?

A) 50% B) 25%
C) 100% D) 75%
 
Answer & Explanation Answer: B) 25%

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Probability
Exam Prep: Bank Exams

0 1349
Q:

Rajat is the brother of Sanjay and Manish is the father of Rajat. Jay is the brother of Shreya and Shreya is the daughter of Sanjay. Who is the uncle of Jay?

A) Rajat B) Sanjay
C) Manish D) Cannot be determined
 
Answer & Explanation Answer: A) Rajat

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Blood Relations
Exam Prep: Bank Exams

3 1349
Q:

The angle of elevation of the top of a hill at the foot of the tower is 60 deg and the angle of elevation of the top of the tower from the foot of the hill is 30 deg. If the tower is 50 m high, what is the height of the hill?

A) 100 m B) 120 m
C) 180 m D) 150 m
 
Answer & Explanation Answer: D) 150 m

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Height and Distance
Exam Prep: Bank Exams

0 1349
Q:

If cos 60° - sec 30° = x, then the value of x is

A) 1 B) (√3+√2)/2
C) (√3-4)/2√3 D) 1/√2
 
Answer & Explanation Answer: C) (√3-4)/2√3

Explanation:
Report Error

View Answer Report Error Discuss

0 1349
Q:

The average weight of 25 bags is 55 kg. The weight of one bag was misread as 65 instead of 56. Find the correct mean value.

A) 55.25 B) 55.36
C) 54.64 D) 55.65
 
Answer & Explanation Answer: C) 54.64

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Average
Exam Prep: Bank Exams

0 1348
Q:

If the first 10 terms and the last 10 terms of the given expression are interchanged in such a way that the first term is interchanged with the last, the second with the second last, the third with the third last and soon, what will the fifth term from the right be in the new arrangement?

 

RB75E%M3W48Q9#B2A$MS

 

A) A B) 5
C) 2 D) E
 
Answer & Explanation Answer: D) E

Explanation:
Report Error

View Answer Report Error Discuss

4 1348
Q:

In a certain code language, 'x' represents '+', '÷' represents 'x', '-' represents '÷' and '+' represents '-'. Find out the answer to the following question.

 

13 + 8 x 2 ÷ 25 - 10 = ?

 

A) 46 B) 10
C) 49   D) 19
 
Answer & Explanation Answer: B) 10

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Coding and Decoding
Exam Prep: Bank Exams

1 1348
Q:

Some masons promised to do a work in 10 days but 8 of them were absent and remaining did the work in 18 days. What was the original number of masons?

 

A) 10 B) 21
C) 15 D) 18
 
Answer & Explanation Answer: D) 18

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Time and Work
Exam Prep: Bank Exams

1 1348