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1
Q:

ΔPQR is right angled at Q. If m∠R=300, then find the value of (cosP - 1/3).

 

A) 1/6 B)  (2√2-1)/√2
C)  -1/√3 D)  (√3-4)/2√3

Answer:   A) 1/6



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Subject: Area
Exam Prep: Bank Exams
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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

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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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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

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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  

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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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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

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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  

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What is the total length intercepted between both the axes by the line 8x+4y=40?

 

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

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