Searching for "angle"

Q:

Two men are on opposite sides of a tower. They measure the angles of elevation of the top of the tower as 30 ̊ and 45 ̊ respectively. If the height of the tower is 50 m, the distance between the two men is (Take √3 = 1.73)

A) 136.5 m B) 50 √3 m
C) 100 √3 m D) 135.5 m
 
Answer & Explanation Answer: A) 136.5 m

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Filed Under: Height and Distance
Exam Prep: Bank Exams

Q:

PQR is an equilateral triangle. MN is drawn parallel to QR such that M is on PQ and N is on PR. If PN = 6 cm, then the length of MN is

A) 3 cm B) 6 cm
C) 12 cm D) 4.5 cm
 
Answer & Explanation Answer: B) 6 cm

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

Q:

Which of the following ratios can be the ratio of the sides of a right angled triangle?

A) 9:6:3 B) 13:12:5
C) 7:6:5 D) 5:3:2
 
Answer & Explanation Answer: B) 13:12:5

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Q:

How many triangles are there in the question figure?

A) 18 B) 24
C) 28 D) 30
 
Answer & Explanation Answer: C) 28

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Filed Under: Image Analysis
Exam Prep: Bank Exams

Q:

The shadow of a tower when the angle of elevation of the sun is 45°, is found to be 10 m longer than when it was 60° . The height of the tower is

A) 5(√3 - 1) m B) 5(√3 + 1) m
C) 10 (√3 - 1) m D) 10 (√3 + 1) m
 
Answer & Explanation Answer: B) 5(√3 + 1) m

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Filed Under: Height and Distance
Exam Prep: Bank Exams

Q:

Find the number of triangles in the figure.

A) 8 B) 10
C) 12 D) 14
 
Answer & Explanation Answer: D) 14

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Filed Under: Image Analysis
Exam Prep: Bank Exams

Q:

Find the odd word/letters/number pair from the given alternatives.

(A) Square (B) Sphere (C) Rectangle (D) Circle

A) A B) B
C) C D) D
 
Answer & Explanation Answer: B) B

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

Q:

The angle of elevation of an aeroplane from a point on the ground is 45°. After flying for 15 seconds, the elevation changes to 30°. If the aeroplane is flying at a height of 2500 metres, then the speed of the aeroplane in km/hr. is

A) 600 B) 600 (√3 + 1)
C) 600 √3 D) 600 (√3 - 1)
 
Answer & Explanation Answer: D) 600 (√3 - 1)

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Filed Under: Height and Distance
Exam Prep: Bank Exams