73
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:

Which of the following combination of sides results in the formation of obtuse angled triangle?

 

A) 6,7,13   B)  5, 6, 8  
C)  4, 5, 6   D)  None of these
 
Answer & Explanation Answer: B)  5, 6, 8  

Explanation:
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Exam Prep: Bank Exams

0 5398
Q:

Which of the following conditions is correct for a right angled triangle?

 

A) Sum of the two angles of a triangle is greater than the third angle B) Sum of the two angles of a triangle is less than the third angle
C) Sum of the two angles of a triangle is equal to the third angle D) None of these
 
Answer & Explanation Answer: C) Sum of the two angles of a triangle is equal to the third angle

Explanation:
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Exam Prep: Bank Exams

0 5436
Q:

The two lines 3x - 8y = 16 and 2x + 4y = 6 intersect at (a,b). Find the value of a2-4b2

 

 

A) 5   B)  10  
C) 15   D) 20
 
Answer & Explanation Answer: C) 15  

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Exam Prep: Bank Exams , AIEEE

0 4911
Q:

Find the maximum area of a rectangle field which is surrounded by a rope of 400 m.

A) 5000 sq.m B) 6250 sq.m
C) 4000 sq.m D) 10000 sq.m
 
Answer & Explanation Answer: D) 10000 sq.m

Explanation:
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0 274
Q:

If the lengths of the two parallel sides of a trapezium are 5 cm and 7 cm and the distance between these parallel sides is 4 cm. Find its area (in cm2).

 

A) 12   B) 24  
C) 48   D) 36
 
Answer & Explanation Answer: B) 24  

Explanation:
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Exam Prep: Bank Exams

0 244
Q:

Consider the circle shown below having angle AOB as 135 deg and the shaded portion is the x part of the circular region. Calculate the value of x.

 

A) 1/12 B) 1/9
C) 1/6 D) 1/4
 
Answer & Explanation Answer: D) 1/4

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Exam Prep: Bank Exams

0 358
Q:

Consider the two similar triangles ABC and DEF. Which of the following is correct about the ratio of the area of the triangle ABC and DEF?

 

 

A) ABDE=EFBC=ACDF B) ABDE2=BCEF2=ACDF2
C) ABDE=BCEF=DFAC D) None of these
 
Answer & Explanation Answer: B) ABDE2=BCEF2=ACDF2

Explanation:
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Exam Prep: Bank Exams

0 313
Q:

In triangle DEF measure of angle E is 90 deg. If cotD = 5/12 and DE = 1 cm, then what is the length (in cm) of side EF?

 

 

A) 2.4   B) 2.6  
C) 1.5   D) 2
 
Answer & Explanation Answer: A) 2.4  

Explanation:
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