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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:

If cosec θ + sinθ = 5/2 then the value of cosecθ - sinθ is

A) -3/2	B) 3/2
C) −√3/2	D) √3/2

Answer & Explanation Answer: B) 3/2

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Filed Under: Simplification
Exam Prep: Bank Exams

Q:

If x = 222, y = 223, z = 225 then the value of $x^{3} + y^{3} + z^{3} - 3 xyz$ is

A) 4590	B) 4690
C) 4950	D) 4960

Answer & Explanation Answer: B) 4690

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Filed Under: Simplification
Exam Prep: Bank Exams

Q:

The average of 9 observations was found to be 35. Later on, it was detected that an observation 81 was misread as 18. The correct average of the observations is

A) 28	B) 42
C) 35	D) 45

Answer & Explanation Answer: B) 42

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Filed Under: Average
Exam Prep: Bank Exams

Q:

What least value must be assigned to '*' so that the numbers 451 * 603 is exactly divisible by 9?

A) 7	B) 8
C) 5	D) 9

Answer & Explanation Answer: B) 8

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

Q:

If $4 x + \frac{1}{x} = 5, (x \neq 0),$ then the value of $\frac{5 x}{4 x^{2} + 10 x + 1}$ is

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

Answer & Explanation Answer: B) 1/3

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Filed Under: Simplification
Exam Prep: Bank Exams

Q:

Value of (cos 53° - sin 37°) is

A) 2 sin 37 ̊	B) 2 cos 53 ̊
C) 0	D) 1

Answer & Explanation Answer: C) 0

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Filed Under: Simplification
Exam Prep: Bank Exams

Q:

A train, 200 m long, is running at a speed of 54 km/hr. The time in seconds that will be taken by train to cross a 175 m long bridge is

A) 12.5	B) 20
C) 25	D) 10

Answer & Explanation Answer: C) 25

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Filed Under: Problems on Trains
Exam Prep: Bank Exams

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