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Q:

In the following series of numbers, howmany 1, 3, 7 have appeared together. 7 being in middle and 1, 3 on either side of ??

2 9 7 3 1 7 3 7 7 1 3 3 1 7 3 8 5 7 1 3 7 7 1 7 3 9 0 6

A) 4	B) 5
C) 3	D) More than 5

Answer & Explanation Answer: C) 3

Explanation:

3 1 7 3 7

3 1 7 3 8

7 1 7 3 9

At these places 1, 7, 3 appeared together

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Filed Under: Number, Ranking and Time Sequence Test

Q:

Which of the following features may occur when lava cool at the surface

A) Basalt plateau	B) Still
C) Batholith	D) Dyke

Answer & Explanation Answer: A) Basalt plateau

Explanation:

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Filed Under: World Geography

Q:

Epirogenetic movement give rise to

A) Shields	B) Plains
C) Volcano	D) Fold mountains

Answer & Explanation Answer: D) Fold mountains

Explanation:

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Filed Under: World Geography

Q:

If $3 x + 7 = x^{2} + p = 7 x + 5$ , what is the value of P ?

A) 17/2	B) 25/3
C) 33/4	D) 41/5

Answer & Explanation Answer: A) 17/2

Explanation:

$3 x + 7 = 7 x + 5 = > 7 x - 3 x = 2 = > 4 x = 2 = > x = 2$

Now, $3 x + 7 = x^{2} + p = \frac{3}{2} + 7 = \frac{1}{4} + p = > p = \frac{17}{2}$

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Filed Under: Simplification

Q:

Which of the following layers of the earth is believed to have the heavist mineral materials of highest density

A) Central core	B) Crust
C) Mantle	D) Both (B) and (C)

Answer & Explanation Answer: A) Central core

Explanation:

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Filed Under: World Geography

Q:

The difference in the duration of day and night increases as one moves from

A) West to East	B) East and west of the prime meridian
C) Poles to equator	D) Equator to poles

Answer & Explanation Answer: D) Equator to poles

Explanation:

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Filed Under: World Geography

Q:

Who discovered the solar system

A) Copernicus	B) Kepler
C) Aryabhatta	D) Newton

Answer & Explanation Answer: A) Copernicus

Explanation:

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Filed Under: World Geography

Q:

A Radioactive subatance emits

A) alpha particles	B) beta particle
C) gamma particle	D) all of the three

Answer & Explanation Answer: D) all of the three

Explanation:

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Filed Under: Chemistry

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