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Q:

A cubical block of metal weighs 6 pounds. How much will another cube of the same metal weigh if its sides are twice as long?

A) 48 B) 12
C) 36 D) 60
 
Answer & Explanation Answer: A) 48

Explanation:

If you double the sides of a cube, the ratio of the surface areas of the old and new cubes will be 1: 4. The ratio of the volumes of the old and new cubes will be 1: 8.

Weight is proportional to volume. So, If the first weighs 6 pounds, the second weighs 6x8 pounds =48.

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Filed Under: Ratios and Proportions
Exam Prep: GRE

44 15244
Q:

Refer the below data table and answer the following question.

How many students have scored marks 20 or more but less than 40?

 

A) 49 B) 78
C) 53 D) 127
 
Answer & Explanation Answer: C) 53

Explanation:
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Filed Under: Table Charts
Exam Prep: Bank Exams

0 15243
Q:

Square units 13 by 9 of an office area is

A) 97 B) 117
C) 107 D) 127
 
Answer & Explanation Answer: B) 117

Explanation:

Square units 13 by 9 of an office means office of length 13 units and breadth 9 units.

 

Now its area is 13x 9 = 117 square units or units square.

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

24 15242
Q:

A is three times as old as B. C was twice-as old as A four years ago. In four years' time, A will be 31. What are the present ages of B and C ?

A) 45, 10 B) 10, 50
C) 9, 50 D) 50, 15
 
Answer & Explanation Answer: C) 9, 50

Explanation:

Let the age of A = A, B = B and C = C

From given

A = 3B

4 years ago,

C-4 = 2(A-4);

After 4 years

A + 4 = 31;

A = 27;
sub in above B, we get B = 9
C = 2(27 - 4) + 4 = 46 + 4 = 50

Hence B = 9yrs and C = 50yrs.

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Filed Under: Problems on Ages
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Bank Clerk

16 15237
Q:

At work i am quite reserved. What does it mean?

A) feel shy B) timid
C) not talkative D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

The given sentence means that, at working hours that person is reserved means he is very timid, feel shy or not talkative or won't share his feelings.

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Filed Under: English
Exam Prep: AIEEE , Bank Exams , CAT , GATE , GRE , TOEFL
Job Role: Analyst , Bank Clerk , Bank PO , Database Administration , IT Trainer

19 15237
Q:

Name the only US president who also served as the Chief Justice of the US Supreme Court.

 

A) John Quincy Adams B) William Howard Taft
C) Lyndon B. Johnson D) Zachary Taylor
 
Answer & Explanation Answer: B) William Howard Taft

Explanation:
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Filed Under: Famous Personalities
Exam Prep: Bank Exams

0 15223
Q:

Foreign Exchange Rates refer to the

Answer

A foreign exchange rate is the price of the domestic currency stated in terms of another currency.

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Subject: Bank Interview Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

7 15218
Q:

What approximate value will come in place of question mark (?) in the following question ?

 (49.001)2  = ?

A) 2500 B) 2400
C) 2600 D) 2300
 
Answer & Explanation Answer: B) 2400

Explanation:

Given (49.001)2  = ?

=> =~ 49 x 49

=~ 2401

=~ 2400 

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Filed Under: Mathematical Operations
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Bank Clerk , Bank PO

32 15217