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Q:

A wire can be bent in the form of a circle of radius 56cm. If it is bent in the form of a square, then its area will be

A) 7744 B) 8844
C) 5544 D) 4444
 
Answer & Explanation Answer: A) 7744

Explanation:

length of wire = 2πr= 2 x (22/7 ) x 56 = 352 cm
side of the square = 352/4 = 88cm
area of the square = 88 x 88 = 7744sq cm

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Filed Under: Area
Exam Prep: Bank Exams
Job Role: Bank PO

77 43200
Q:

Following the same logic, crack this mathematical puzzle ?

 

A) 4 B) 2
C) 1 D) 3
 
Answer & Explanation Answer: C) 1

Explanation:

The answer here is 1.

 

Logic Followed in the given puzzle ::

 

The logic here is the number of circles in each 4 digit number mentioned.

8801 has 5

5261 has 1

and so on

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Filed Under: Math Puzzles
Exam Prep: Bank Exams , CAT , GATE

27 43195
Q:

If 3/5 of x is equal to 4/9 of y, then what is the ratio of x and y?

 

 

A) 11 : 15 B) 15 : 23
C) 20 : 27 D) 14 : 25
 
Answer & Explanation Answer: C) 20 : 27

Explanation:
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Filed Under: Percentage
Exam Prep: Bank Exams

7 43190
Q:

Select the related number from the given alternatives.

64 : 8 :: 0.01 : ?

A) 0.1 B) 1
C) 10 D) 0.08
 
Answer & Explanation Answer: A) 0.1

Explanation:
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Filed Under: Analogy
Exam Prep: Bank Exams

0 43160
Q:

Statements :

 

A) H2SO4 is used in the refining of petroleum to remove sulphur and other compounds.

B) The basic nature of Sodium Hydroxide (NaOH) is due to the presence of Hydrogen ions in the solution.

 

A) Both statements are false B) Only statement A is true
C) Only statement B is true D) Both statements are true
 
Answer & Explanation Answer: B) Only statement A is true

Explanation:
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Filed Under: Statement and Conclusions
Exam Prep: Bank Exams

0 43153
Q:

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

1728, 864, 432, 216, ?

A) 54 B) 108
C) 116 D) 200
 
Answer & Explanation Answer: B) 108

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

0 43151
Q:

A room of 5m 44cm long and 3m 74cm broad is to be paved with squre tiles. Find the least number of squre tiles required to cover the floor.

A) 136 B) 146
C) 166 D) 176
 
Answer & Explanation Answer: D) 176

Explanation:

area of the room = 544 x 374 sq.cm

size of largest square tile = H.C.F of 544cm and 374 cm= 34 cm

area of 1 tile = 34x34 sq cm

no. of tiles required = (544 x 374) / (34 x 34) = 176

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Filed Under: Area
Exam Prep: Bank Exams
Job Role: Bank PO

62 43125
Q:

What is the simplified result of following the steps below in order?

       1.Add 5y to 2x

       2.Multiply the sum by 3

       3.Substract x+y from the product

A) 5x + 14y B) 5x + 16y
C) 5x + 5y D) None
 
Answer & Explanation Answer: A) 5x + 14y

Explanation:

Step 1 :2x + 5y

Step 2 :3(2x + 5y) = 6x + 15y

Step 3 :(6x + 15y) - (x +y) = 6x + 15y - x - y (watch that last minus sign!)

This gives 5x + 14y

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Filed Under: Numbers
Exam Prep: GRE

5 43098