Aptitude and Reasoning Questions

Q:

The standard deviation of the set {10, 10, 10, 10, 10} is

A) 0 B) 1
C) 5 D) 10
 
Answer & Explanation Answer: A) 0

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Filed Under: Average
Exam Prep: Bank Exams

24 2038
Q:

A, B and C can do a job working alone in 50, 75 and 20 days respectively. They all work together for 4 days, then C quits. How many days will A and B take to finish the rest of the job?

A) 20 B) 30
C) 18 D) 24
 
Answer & Explanation Answer: A) 20

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Filed Under: Time and Work
Exam Prep: Bank Exams

2 2038
Q:

The area of the largest sphere ( in cm2) that can be drawn inside a square of side 18 cm is

A) 972Π B) 11664Π
C) 36Π D) 288Π
 
Answer & Explanation Answer: A) 972Π

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Filed Under: Area
Exam Prep: Bank Exams

3 2038
Q:

Two cars travel from city A to city B at a speed of 30 and 44 km/hr respectively. If one car takes 3.5 hours lesser time than the other car for the journey, then the distance between City A and City B is

A) 330 km B) 396 km
C) 495 km D) 264 km
 
Answer & Explanation Answer: A) 330 km

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Filed Under: Time and Distance
Exam Prep: Bank Exams , CAT

0 2038
Q:

In the following question, select the odd letters from the given alternatives.

A) IMX B) DHS
C) GWK D) KOZ
 
Answer & Explanation Answer: C) GWK

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

0 2038
Q:

12 copies of a book were sold for Rs. 1800 thereby gaining cost price of 3 copies. The cost price of a copy of the book is

A) Rs. 120 B) Rs. 150
C) Rs. 1200 D) Rs. 1500
 
Answer & Explanation Answer: A) Rs. 120

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

4 2038
Q:

A store sells a watch for a profit of 25% of the cost. Then the percentage of profit against selling price is

A) 22% B) 20%
C) 18% D) 15%
 
Answer & Explanation Answer: B) 20%

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

4 2037
Q:

P and Q are two alloys which are prepared by mixing tin and lead in the ratio of 12 : 5 and 4 : 3 respectively. If equal quantities of alloys are melted to form athird alloy R, then what is the ratio of tin and lead in alloy R?

A) 84 : 65 B) 57 : 35
C) 76 : 43 D) 78 : 47
 
Answer & Explanation Answer: C) 76 : 43

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Filed Under: Ratios and Proportions

2 2037