Aptitude and Reasoning Questions

Q:

A letter lock consists of three rings each marked with six different letters. The number of distinct unsuccessful attempts to open the lock is at the most  ?

A) 215 B) 268
C) 254 D) 216
 
Answer & Explanation Answer: A) 215

Explanation:

Since each ring consists of six different letters, the total number of attempts possible with the three rings is = 6 x 6 x 6 = 216. Of these attempts, one of them is a successful attempt.

 

Maximum number of unsuccessful attempts = 216 - 1 = 215.

Report Error

View Answer Report Error Discuss

Filed Under: Permutations and Combinations
Exam Prep: GATE , CAT , Bank Exams , AIEEE
Job Role: Bank PO , Bank Clerk

27 31705
Q:

The ratio of expenditure and savings is 3 : 2 . If the income increases by 15% and the savings increases by 6% , then by how much percent should his expenditure increases?

A) 25 B) 21
C) 12 D) 24
 
Answer & Explanation Answer: B) 21

Explanation:

Therefore x = 21%

Report Error

View Answer Report Error Discuss

Filed Under: Alligation or Mixture

138 31693
Q:

Select the option that represents the number of triangles in the following figure.

 

A) 17 B) 12
C) 15 D) 16
 
Answer & Explanation Answer: D) 16

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Arithmetical Reasoning
Exam Prep: Bank Exams

4 31688
Q:

If the mathematical operator '/' means 'x', '+' means '-', 'x' means '+' and '-' means '/', then

 

24 + 48 - 12 x 4 / 2 = ?

A) 6 B) -6
C) 16 D) 28
 
Answer & Explanation Answer: D) 28

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Coding and Decoding
Exam Prep: Bank Exams

0 31672
Q:

Identify the odd one from the list below.

 

 

A) Stream B) Bridge
C) Canal D) River
 
Answer & Explanation Answer: B) Bridge

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Odd Man Out
Exam Prep: Bank Exams

0 31667
Q:

Consider the following information and answer the questions based on it

 

Out of 50 kids in a colony, 10 like only basketball, 25 like only football, 10 like both volleyball and football and 5 like only volleyball.

 

How many kids like only one sport?

A) 50 B) 40
C) 35 D) 25
 
Answer & Explanation Answer: B) 40

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Logical Sequence of Words
Exam Prep: Bank Exams

1 31645
Q:

One of the roots of the equation x2 - 6x + k = 0 is x = 2. The other root is

 

A) x = -1 B) x = 4
C) x = -4 D) x = 1
 
Answer & Explanation Answer: B) x = 4

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Area
Exam Prep: Bank Exams

1 31642
Q:

Select the wrong number from the given series?

 

6, 12, 20, 32, 42, 56, 72

A) 32 B) 20
C) 72 D) 56
 
Answer & Explanation Answer: A) 32

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Odd Man Out
Exam Prep: Bank Exams

0 31623