angle Search

Q:

The ratio of angles of a triangle are 1 : 2/3 : 3. Then the smallest angle is

A) 21 4/7°	B) 25°
C) 25 5/7°	D) 38 4/7°

Answer & Explanation Answer: C) 25 5/7°

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Filed Under: Quantitative Aptitude - Arithmetic Ability
Exam Prep: Bank Exams

Q:

Points P , Q and R are on a circle such that ∠PQR = 40° and ∠QRP = 60° . Then the subtended angle by arc QR at the centre is

A) 80°	B) 120°
C) 140°	D) 160°

Answer & Explanation Answer: D) 160°

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

Q:

A telegraph post is bent at a point above the ground. Its top just touches the ground at a distance of 8√3 m from its foot and makes an angle of 30° with the horizontal. The height (in metre) of the post is

A) 12	B) 16
C) 18	D) 24

Answer & Explanation Answer: D) 24

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Filed Under: Height and Distance
Exam Prep: Bank Exams

Q:

Length of the sides of a triangle are a, b, c respectively. If $a^{2} + b^{2} + c^{2} = ab + bc + ca$ then the triangle is

A) isosceles	B) equilateral
C) scalene	D) right-angled

Answer & Explanation Answer: B) equilateral

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

Q:

Length of the sides of a triangle are a, b, c respectively. If $a^{2} + b^{2} + c^{2} = ab + bc + ca$ then the triangle is

A) isosceles	B) equilateral
C) scalene	D) right-angled

Answer & Explanation Answer: B) equilateral

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

Q:

Let ΔABC and ΔABD be on the same base AB and between the same parallels AB and CD. Then the relation between areas of triangles ABC and ABD will be

A) 1	B) 2
C) 3	D) 4

Answer & Explanation Answer: D) 4

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Filed Under: Simplification
Exam Prep: Bank Exams

Q:

An arc of 30° in one circle is double an arc in a second circle, the radius of which is three times the radius of the first. Then the angles subtended by the arc of the second circle at its centre is

A) 3°	B) 4°
C) 5°	D) 6°

Answer & Explanation Answer: C) 5°

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

Q:

A pilot in an aeroplane at an altitude of 200 m observes two points lying on either side of a river. If the angles of depression of the two points be 45° and 60°, then the width of the river is

A) (200 + 200/√3) m	B) (200 - 200/√3) m
C) 400 √3 m	D) (400/√3) m

Answer & Explanation Answer: B) (200 - 200/√3) m

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Filed Under: Height and Distance
Exam Prep: Bank Exams

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