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Q:

In a circle, a chord, 5√2 cm long, makes a right angle at the centre. Then the length of the radius of the circle will be

A) 2.5 cm B) 5 cm
C) 7.5 cm D) 10 cm
 
Answer & Explanation Answer: B) 5 cm

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

Q:

The orthocentre of a triangle is the point where

A) the medians meet B) the altitudes meet
C) the right bisectors of the sides of D) the bisectors of the angles
 
Answer & Explanation Answer: B) the altitudes meet

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

Q:

How many triangles are there in the following figure PQRS?

A) 12 B) 20
C) 24 D) 28
 
Answer & Explanation Answer: D) 28

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Filed Under: Image Analysis
Exam Prep: Bank Exams

Q:

A boat is moving away from an observation tower. It makes an angle of depression of 60° with an observer's eye when at a distance of 50m from the tower. After 8 sec., the angle of depression becomes 30°. By assuming that it is running in still water, the approximate speed of the boat is

A) 33 km/hr B) 42 km/hr
C) 45 km/hr D) 50 km/hr
 
Answer & Explanation Answer: C) 45 km/hr

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Filed Under: Height and Distance
Exam Prep: Bank Exams

Q:

θ is a positive acute angle and sinθ ­ cosθ = 0, then the value of secθ + cosecθ is

A) 2 B) √2
C) 2√2 D) 3√2
 
Answer & Explanation Answer: C) 2√2

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Filed Under: Simplification
Exam Prep: Bank Exams

Q:

In a triangle, the distance of the centroid from the three vertices is 4cm, 6cm and 8cm respectively. Then the length of the smallest median is:

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

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Filed Under: Area
Exam Prep: Bank Exams

Q:

The area of a triangle with vertices A (0, 8) , O (0,0) and B (5, 0) is:

A) 8 sq. units B) 13 sq. units
C) 20 sq. units D) 40 sq. units
 
Answer & Explanation Answer: C) 20 sq. units

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Filed Under: Area
Exam Prep: Bank Exams

Q:

The point of intersection of all the three medians of a triangle is called its

A) orthocentre B) incentre
C) centroid D) circumcentre
 
Answer & Explanation Answer: C) centroid

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Filed Under: Area
Exam Prep: Bank Exams