Exams Questions and Answers

Q:

What is the value of cos 4π/3?

A) -1/2	B) √3/2
C) - 1/√2	D) √3/2

Answer & Explanation Answer: A) -1/2

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

E.P. Ramaswamy Naicker is associated with which of the following movements?

A) Self-respect movement	B) Viacom movement
C) Justice movement	D) Ezhava movement

Answer & Explanation Answer: A) Self-respect movement

Explanation:

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Filed Under: Indian History
Exam Prep: Bank Exams

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Q:

The simple interest on a sum for 5 years is Rs 16800. The rate of interest for the first 3 years is 8% per annum and for the next 2 years is 12% per annum. What is the value (in Rs) of sum?

A) 30000	B) 38000
C) 32000	D) 35000

Answer & Explanation Answer: D) 35000

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Filed Under: Simple Interest
Exam Prep: Bank Exams

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Q:

Who Invented PlayStation?

A) Wright brothers	B) Reynold B. Johnson
C) Assen Jordanoff	D) Ken Kutaragi

Answer & Explanation Answer: D) Ken Kutaragi

Explanation:

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Filed Under: Inventions
Exam Prep: Bank Exams

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Q:

Who amidst the following is a distinguished painter?

A) Uday Shankar	B) Sonal Mansingh
C) Amrita Shergill	D) Yamini Kirshnamurthy

Answer & Explanation Answer: C) Amrita Shergill

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Filed Under: Famous Personalities
Exam Prep: Bank Exams

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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 sphere to that of cone?

A) 6√3:1	B) 7 : 2
C) 3√3:1	D) 5√3:1

Answer & Explanation Answer: A) 6√3:1

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)

Volume of sphere/volume of cone =

\frac{\frac{4}{3} {πr}_{1}^{3}}{\frac{1}{3} {πr}_{2}^{2} h}

= 6√3:1

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

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Q:

Find the missing number ?

A) 400	B) 150
C) 100	D) 625

Answer & Explanation Answer: C) 100

Explanation:

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Filed Under: Arithmetical Reasoning
Exam Prep: Bank Exams

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Q:

Ringworm is a disease caused by

A) Fungi	B) Bacteria
C) Virus	D) Flies

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