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Q:

The average age of Vishal and Raghavendra is 24 years. If a new person Veerender is also included, the average age is increased by 1.5 years. What is the age of Veerender?

A) 28.5 yrs	B) 29.5 yrs
C) 30.5 yrs	D) 27 yrs

Answer & Explanation Answer: A) 28.5 yrs

Explanation:

According to the given data,

(V + R)/2 = 24

Now, after joining of Veerender,

V + R + D)/3 = 25.5

Hence, Veerender Age = 3(25.5) - 2(24) = 76.5 - 48 = 28.5 years.

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Filed Under: Problems on Ages
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Q:

World Wide Web is being standard by

A) W3C	B) World Wide Web Standard
C) Worldwide corporation	D) World Wide Consortium

Answer & Explanation Answer: A) W3C

Explanation:

World Wide Web is being standard by W3C.

The World Wide Web Consortium (W3C) is an international community where Member organizations, a full-time staff, and the public work together to develop Web standards. Led by Web inventor and Director Tim Berners-Lee and CEO Jeffrey Jaffe, W3C's mission is to lead the Web to its full potential.

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Filed Under: Computer
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Q:

Reflex actions are controlled by

A) The Spinal Chord	B) The Nerves
C) The cells	D) The Brain

Answer & Explanation Answer: A) The Spinal Chord

Explanation:

A reflex arc is a neural pathway that controls a reflex. In vertebrates, most sensory neurons do not pass directly into the brain, but synapse in the spinal cord. This allows for faster reflex actions to occur by activating spinal motor neurons without the delay of routing signals through the brain.

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Filed Under: Biology
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Q:

Oscar Awards are conferred annually by

A) Academy of Motion Pictures, arts and sciences, USA	B) Hollywood Foreign Press Association
C) Government of United States	D) None

Answer & Explanation Answer: A) Academy of Motion Pictures, arts and sciences, USA

Explanation:

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Filed Under: Honours and Awards
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Q:

Name the Indian player who was chosen by the Indian Olympic Association (IOA) as the flag-bearer of the Indian contingent for the opening ceremony of the Gold Coast Commonwealth Games.

A) P V Sindhu	B) Deepa Karmakar
C) Saina Nehwal	D) Sakshi Malik

Answer & Explanation Answer: A) P V Sindhu

Explanation:

Indian Olympic Association (IOA) chooses P.V. Sindhu as the flag-bearer of the Indian contingent for the opening ceremony of the Gold Coast Commonwealth Games.

The opening ceremony will be held on April 4, 2018.

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Filed Under: Sports
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Q:

What is formed by all the ecosystems of the earth?

A) Biosphere	B) Troposphere
C) Stratosphere	D) Ionosphere

Answer & Explanation Answer: A) Biosphere

Explanation:

A biosphere is the sum of all the ecosystems established on planet Earth.

An ecosystem is an area in which the plants and animals all interact to create a living environment. Therefore ecosystem is a smaller unit of earth, all ecosystems together form the earth.

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Filed Under: General Awareness
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Q:

Tilak rides on a cycle to a place at speed of 22 kmph and comes back at a speed of 20 kmph. If the time taken by him in the second case is 36 min. more than that of the first case, what is the total distance travelled by him (in km)?

A) 132 km	B) 264 km
C) 134 km	D) 236 km

Answer & Explanation Answer: B) 264 km

Explanation:

Let the distance travelled by Tilak in first case or second case = d kms

Now, from the given data,

d/20 = d/22 + 36 min

=> d/20 = d/22 + 3/5 hrs

=> d = 132 km.

Hence, the total distance travelled by him = d + d = 132 + 132 = 264 kms.

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Filed Under: Time and Distance
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Q:

Which of these is a human disease caused by bacteria?

A) TB	B) Ascariasis
C) Chickenpox	D) Common cold

Answer & Explanation Answer: A) TB

Explanation:

Bacteria which causes disease are called Pathogenic Bacteria. TB is caused by bacteria.

Some of the diseases caused by bacteria are::

1. Tuberculosis, TB (affects the lungs)

2. Salmonella (causes food poisoning)

3. Whooping cough (affects the lungs)

4. Septic Sore Throat

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Filed Under: Biology
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