Aptitude and Reasoning Questions

Q:

A right circular cylinder has height 28 cm and radius of base 14 cm. Two hemispheres of radius 7 cm each are cut from each of the two bases of the cylinder. What is the total surface area (in cm2) of the remaining part?

A) 3842 B) 4312
C) 3296 D) 4436
 
Answer & Explanation Answer: B) 4312

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Q:

In the given figure, PQRSTU is a regular hexagon of side 12 cm. What is the area (in sq.cm) of triangle SQU?

A) 162√3 B) 216√3
C) 108√3 D) 54√3
 
Answer & Explanation Answer: C) 108√3

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Q:

A man borrowed some money from a private organisation at 5% simple interest per annum. He lended this money to another person at 10% compound interest per annum, and made a profit of 26,410 in 4 years. The man borrowed

A) 200000 B) 150000
C) 132050 D) 100000
 
Answer & Explanation Answer: D) 100000

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Filed Under: Simple Interest
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Q:

Which of the following activities are examples of data gathering?

A) Counting the votes in an election to determine the next governor B) Making a pie chart showing the kinds of television sets owned by people in a sample of 1,000
C) Finding the mean weight of cancer patients in a study D) Using the results of a mathematical model to predict the next day's weather
 
Answer & Explanation Answer: A) Counting the votes in an election to determine the next governor

Explanation:

Option A) "Counting the votes in an election to determine the next governor"  is the only one where data gathering is done.

 

In all other options, data is already collected and now analyzing of data is going on.

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Q:

Travelling at 4/5th of his usual speed, a man is 15 minutes late. What is his usual time to cover the same distance?

A) 15 min B) 1 hr
C) 75 min D) 45 min
 
Answer & Explanation Answer: B) 1 hr

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Filed Under: Time and Distance
Exam Prep: Bank Exams

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Q:

A bag contains 25 paise, 50 paise and 1 Rs coins. There are 220 coinsinall and the total amount in the bag is Rs. 160. If there arethrice as many 1 Rs. coins as there are 25 paise coins, then what is the number of 50 paise coins?

A) 60 B) 40
C) 120 D) 80
 
Answer & Explanation Answer: A) 60

Explanation:

Let there be x one rupee coin, y 50 paise coin, z 25 paise coinx + y + z = 220......(i)

Total amount = 160

Now, x + (y/2) + z = 160 ......(ii)

⇒4x + 2y + z = 640

Thrice as many 1 re coin as 25 paise

⇒x = 3z ......(iii)

On solving equation (i), (ii) and (iii), we get

z = 40x= 3* 40 = 120y = 220 –(120 + 40 ) = 60

So, 50 paise coin =60

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Filed Under: Simplification
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Q:

The length of the radius of the circumference of a triangle having sides 9 cm, 12 cm and 15 cm is

A) 6 cm B) 7.5 cm
C) 4.5 cm D) 8 cm
 
Answer & Explanation Answer: B) 7.5 cm

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Q:

Choose the correct alternative which will complete the series. ACT, EGG, INK, ___

A) OLD B) DIP
C) FUN D) BYE
 
Answer & Explanation Answer: A) OLD

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Filed Under: Alphabet Test

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