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Q:

There are three rooms in a Hotel: one single, one double and one for four persons. How many ways are there to house seven persons in these rooms ?

A) 105 B) 7! x 6!
C) 7!/5! D) 420
 
Answer & Explanation Answer: A) 105

Explanation:

Choose 1 person for the single room & from the remaining choose 2 for the double room & from the remaining choose 4 people for the four person room, 

 Then, 7C1 x 6C2 x 4C4 

= 7 x 15 x 1 = 105

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

14 16089
Q:

111 13 112 24 113 35 117 ?

A) 46 B) 57
C) 68 D) 79
 
Answer & Explanation Answer: D) 79

Explanation:

The given puzzle follows a pattern that,

Number - <last digit> <sum of all digits>.

111 - 13

112 - 24

113 - 35

So 

117 - 79

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

60 16086
Q:

Arrange the given words in the sequence in which they occur in the dictionary.

 

1. Philosopher

2. Pharmacy

3. Piercing

4. Salesman

5. Saleswomana

 

A) 21345 B) 53214
C) 34215 D) 24513
 
Answer & Explanation Answer: A) 21345

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

0 16086
Q:

Better is to worst as slower is to

A) quickest B) good
C) best D) fast
 
Answer & Explanation Answer: A) quickest

Explanation:

Better is compared with worst and slower must be compared with quickest since fast is the extreme of it.

 

Hence, Better is to worst as slower is to quickest.

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

5 16079
Q:

Puzzle : Clock

Divide the clock's face into three equal parts exactly with two lines. Therefore the sum of the numbers in the three equal parts should be same

Answer

Divide_the_clocks_face_into_three_equal_parts_exactly_with_two_lines1585547042.jpg image


 


26 + 26 + 26 = 78

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Subject: Math Puzzles Exam Prep: Bank Exams

141 16076
Q:

The cost of the paint is rs.36.50 per kg. if 1kg of paint covers 16sq.ft, how much will it cost to paint outside of a cube having 8 feet each side

A) Rs.962 B) Rs.672
C) Rs.546 D) Rs.876
 
Answer & Explanation Answer: D) Rs.876

Explanation:

surface area of a cube= 6 x (8 x 8) = 384 sq.ft  

quantity of paint required=(384/16)=24kg  

cost of painting= 36.5 x 24 = Rs.876

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams
Job Role: Bank PO

13 16072
Q:

In the following question, select the missing number from the given series.

 

23, 29, 24, 30, 25, ?

 

A) 30 B) 31
C) 26 D) 28
 
Answer & Explanation Answer: B) 31

Explanation:
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Filed Under: Number Series
Exam Prep: Bank Exams

1 16071
Q:

A number X is mistakenly divided by 10 instead of being multiplied by 10. What is the percentage error in the result?

A) -99% B) +99%
C) -100% D) +100%
 
Answer & Explanation Answer: A) -99%

Explanation:

By mistake = x/10 

 

Actual value = x * 10 

 

% Change = 10x-x1010x×100 = 99100×100  = 99% (negative)

 

Since actual value is greater than the wrong value.

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

15 16070