74
Q:

If the length of the diagonal of a square is 20cm,then its perimeter must be

a. 402cm     b. 302cm    c. 10cm    d. 152cm

A) a B) b
C) c D) d

Answer:   A) a



Explanation:

We know that d=√2s 

Given diagonal = 20 cm 

=> s = 20/2 cm

Therefore, perimeter of the square is 4s = 4 x 20/2 = 402   cm.

Subject: Area
Exam Prep: Bank Exams
Job Role: Bank PO
Q:

The area of an equilateral triangle is 16√3 sq.cm. Find its side in cm.

 

A) 8 B) 4
C) 16 D) 24
 
Answer & Explanation Answer: A) 8

Explanation:
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Exam Prep: Bank Exams

0 4649
Q:

If side of a square is increased by 60%, then what will be the percentage increase in its area?

 

 

A) 156 B) 120
C) 126 D) 132
 
Answer & Explanation Answer: A) 156

Explanation:
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Exam Prep: Bank Exams

1 6923
Q:

The number of sides of a regular polygon whose exterior angles are each 72 deg is

A) 7 B) 6
C) 5 D) 8
 
Answer & Explanation Answer: C) 5

Explanation:
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Exam Prep: Bank Exams

1 474
Q:

The length of a diagonal in cms of a rectangle of length 5 cm and width 3 cm is

 

A) √34 B) +-√34
C) 4 D) +-4
 
Answer & Explanation Answer: A) √34

Explanation:
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Exam Prep: Bank Exams

0 22191
Q:

The order of rotational symmetry of a rectangle is

A) 1 B) 4
C) 2 D) 0
 
Answer & Explanation Answer: C) 2

Explanation:
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Exam Prep: Bank Exams

1 528
Q:

Find the volume (in cm3) of a hemisphere of diameter 14 cm.

 

 

A) 512.33 B) 718.67
C) 628 D) 825
 
Answer & Explanation Answer: B) 718.67

Explanation:
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Exam Prep: Bank Exams

1 6069
Q:

Calculate the area (in sq.cm) of a circle whose diameter is 35 cm.

 

A) 1925 B) 962.5
C) 857.5 D) 1715
 
Answer & Explanation Answer: B) 962.5

Explanation:
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Exam Prep: Bank Exams

0 10963
Q:

The area and the breadth of a rectangle are 288 sq.cm and 16 cm respectively. Find the length of its perimeter (in cm).

 

 

A) 34 B) 68
C) 136 D) 102
 
Answer & Explanation Answer: B) 68

Explanation:
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Exam Prep: Bank Exams

0 469