Exams Questions and Answers

Q:

Who invented Helicopter?

A) Copernicus	B) Sikorsky
C) Cockrell	D) Drinker

Answer & Explanation Answer: B) Sikorsky

Explanation:

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Filed Under: Inventions
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Q:

Which of the following is TRUE?

A) 1123>1294>15	B) 1294>1123>15
C) 15>1123>1294	D) 15>1294>1123

Answer & Explanation Answer: C) 15>1123>1294

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

Two chords AB and CD of a circle with centre O intersect at P. If ∠APC = 40°. Then the value of ∠AOC + ∠BOD is

A) 50°	B) 60°
C) 80°	D) 120°

Answer & Explanation Answer: C) 80°

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

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Q:

Which drug is used as an Anti-Inflammatory?

A) Metformin	B) Diazepam
C) Latanoprost	D) Prednisone

Answer & Explanation Answer: D) Prednisone

Explanation:

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Filed Under: Biology
Exam Prep: Bank Exams

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Q:

In a row, there are 12 professors between Akash and Bhumi and Akash being the first professor in the row. There are 6 professors between Bhumi and Charu. If there are 15 professors after Charu, then how many minimum professors are there in the row?

A) 21	B) 24
C) 20	D) 22

Answer & Explanation Answer: D) 22

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Filed Under: Arithmetical Reasoning
Exam Prep: Bank Exams

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Q:

Diameter of wheel of a cycle is 21 cm. The cyclist takes 45 minutes to reach a destination at a speed of 16.5 km/hr. How many revolutions will the wheel make during the journey?

A) 12325	B) 18750
C) 21000	D) 24350

Answer & Explanation Answer: B) 18750

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Filed Under: Volume and Surface Area
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Q:

A cube is inscribed in a sphere. A right circular cylinder is within the cube touching all the vertical faces. A right circular once is inside the cylinder. Their heights are same and the diameter of the cone is equal to that of the cylinder.

What is the ratio of the volume of the cube to that of the cylinder ?

A) 4 : 3	B) 21 : 16
C) 14 : 11	D) 45 : 32

Answer & Explanation Answer: C) 14 : 11

Explanation:

The top view of the given assembly will look like the figure above

Outermost is the sphere. Inside that there is a cube and within that there is a cone and cylinder with same radius.

Here side of cube = a

Diameter of Sphere = body diagnol = √3 a

Radius of sphere = √3 a/2 =r1

Height of Cylinder = Height of cone = side of cube = a =h

Radius of cylinder = Radius of cone = side of cube/2 = a/2 =r2(as shown in the figure)

\frac{Vcube}{Vcylinder} = \frac{a^{3}}{{πr}_{2}^{2} h} = 14 / 11

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

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Q:

Who invented Television?

A) J L Baird	B) Aristotle
C) James Clerk Maxwell	D) Nikola Tesla

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