Q:

National Income based on the

A) total revenue of the state	B) production of goods and services
C) net profit earned and expenditure made by the state	D) the sum of all fractions of income

Answer & Explanation Answer: B) production of goods and services

Explanation:

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Filed Under: Indian Economy

14 8241

Q:

Curdling of milk is an example of

A) Inversion	B) Denaturation
C) Hydrolysis	D) Coagulation

Answer & Explanation Answer: D) Coagulation

Explanation:

Coagulation :: The action or process of a liquid, especially blood, changing to a solid or semi-solid state.

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Filed Under: Chemistry
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13 8238

Q:

What is an Extension of Entity Type?

Answer

The collections of entities of a particular Entity Type are grouped together into an entity set.

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Subject: Oracle Certification
Job Role: Analyst , Database Administration , IT Trainer , Project Manager

26 8231

Q:

Name a cold desert region of India ?

A) Baramula	B) Ladakh
C) Dun Valley	D) Shillong Plateau

Answer & Explanation Answer: B) Ladakh

Explanation:

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Filed Under: Indian Geography
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38 8229

Q:

Which of the following is a radioactive element

A) Sulphur	B) Polonium
C) Tellurium	D) Selenium

Answer & Explanation Answer: B) Polonium

Explanation:

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Filed Under: Chemistry

29 8229

Q:

How many balls?

Number of balls in the figure...

balls1523099634.jpg image

Answer

You have to actually count all the balls in the pyramid.
Simple way is to count the balls in each level.

So lower most level lets say 1st level has 4 x 4 balls; i.e. 16 balls
Similarly 2nd level has 3 x 3 balls; i.e. 9 balls.
3rd level has 2 x 2 balls; i.e. 4 balls.
The top most level has just 1 ball.

So the total number of balls is 16+9+4+1 = 30.

So the image has 30 Balls in all.

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11 8226

Q:

Two metallic plate of equal thickness and coefficient thermal conductivity K1 and K2 put together face to face. A common plate is constructed. What is equivalent K?

A) K1k2/k1+k2	B) 2k1k2/k1+k2
C) K1+k2/k1k2	D) None

Answer & Explanation Answer: B) 2k1k2/k1+k2

Explanation:

We know that,

The equivalent K = $\frac{L 1 + L 2}{\frac{L 1}{K 1} + \frac{L 2}{K 2}}$

where L1 & L2 are plate1 & Plate2 thicknesses, K1 & K2 are coefficient thermal conductivity of plate1 & Plate2 respectively.

But here L1 = L2 = L (say)

Then K = L+L/(L/K1 + L/K2) = $\frac{2 K 1 K 2}{K 1 + K 2}$

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Filed Under: Physics
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12 8224

Q:

Who was the first Indian batsman to have achieved 300 runs in an innings in tests

A) Sachin Tendulkar	B) Sourav Ganguly
C) Bishen Singh Bedi	D) Virender Sehwag

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