Q:

Which one of the following is often called "Twitter of China" ?

A) Youku	B) Sina weibo
C) We chat	D) None

Answer & Explanation Answer: B) Sina weibo

Explanation:

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13 2609

Q:

In which city Indian Railways has installed Asia’s largest Solid State Interlocking (SSI) system?

A) Kolkata	B) Lucknow
C) Hyderabad	D) Kharagpur

Answer & Explanation Answer: D) Kharagpur

Explanation:

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7 2608

Q:

The most populous city in the world is ?

A) Tokyo	B) Paris
C) Peking	D) London

Answer & Explanation Answer: A) Tokyo

Explanation:

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5 2608

Q:

If a > b > 0, AB = a - b cm, BC = 2√ab cm, then ∠ABC is

A) 45°	B) 60
C) 90°	D) 120°

Answer & Explanation Answer: C) 90°

Explanation:

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10 2608

Q:

The force that keeps a body in a circular motion called

A) the centripetal force	B) the centrifugual force
C) the frictional force	D) all the above

Answer & Explanation Answer: A) the centripetal force

Explanation:

without this centripetal force, circular motion is not possible. It acts radially towards the centre and if this force is removed there will be no circular motion but the revolving body will fly off at a tangent.

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Filed Under: Physics

4 2607

Q:

Which of the following Schemes was launched to promote basic education in India and attract children in School going age to attend the classes?

A) Pulse Polio Abhiyan	B) Operation Flood
C) Mid-Day Meal Schema	D) Operation Black Board

Answer & Explanation Answer: C) Mid-Day Meal Schema

Explanation:

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Filed Under: Indian Economy

2 2606

Q:

What is the gram formula mass of $K_{2} {CO}_{3}$ ?

A) 147	B) 138
C) 129	D) 116

Answer & Explanation Answer: B) 138

Explanation:

The gram formula mass of a compound is nothing but the molar mass.

The molar mass of K2CO3 (Potassium Carbonate) is given by

Atomic weights of individual elements are

K (Potassium) = 39 g

C (Carbon) = 12 g

O (Oxygen) = 16 g

Hence, that of K2CO3 = 39(2) + 12 + 16(3)

= 78 + 12 + 48

= 138.

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2 2606

Q:

The total number of judges of the International Court of Justice is

A) 10	B) 12
C) 15	D) 18

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