Q:

Which port is situated on the southern tip of the Suez Canal?

A) Port Suez	B) Port Said
C) Ismailia	D) Port Ibrahim

Answer & Explanation Answer: A) Port Suez

Explanation:

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Filed Under: World Geography
Exam Prep: Bank Exams

4 6130

Q:

When white light passes through a glass prism we get a spectrum on the other side of the prism. In the emergent beam the ray which is deviated least is

A) the violet ray	B) the red ray
C) the green ray	D) the blue ray

Answer & Explanation Answer: B) the red ray

Explanation:

Red is deviated the least and violet the most

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Filed Under: Physics

14 6129

Q:

The instrument that measures the wind speed is called __________________.

A) an anemometer	B) an odometer
C) a manomete	D) a barometer

Answer & Explanation Answer: A) an anemometer

Explanation:

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Filed Under: Physics
Exam Prep: Bank Exams

0 6128

Q:

Chola Empire was divided into ____

A) Mandalams, Nadu, Avanti & Kurram	B) Mandalams, Nadu, Malkhand & Kurram
C) Avanti, Nadu, Malkhand & Kurram	D) Mandalams, Nadu,Kurram & Valanadu

Answer & Explanation Answer: D) Mandalams, Nadu,Kurram & Valanadu

Explanation:

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Filed Under: Indian History
Exam Prep: AIEEE , Bank Exams , CAT
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26 6128

Q:

Can you slove this Maths Puzzle?

maths_puzzle1537500715.jpg image

A) 12	B) 6
C) 3	D) 1

Answer & Explanation Answer: B) 6

Explanation:

In the given puzzle, the logic behind is

9 = 72 => 9 x 8 = 72

8 = 56 => 8 x 7 = 56

7 = 42 => 7 x 6 = 42

6 = 30 => 6 x 5 = 30

5 = 20 => 5 x 4 = 20

Similarly,

4 = 12 => 4 x 3 = 12

3 = 6 => 3 x 2 = 6

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Filed Under: Math Puzzles
Exam Prep: AIEEE , Bank Exams , CAT , GATE , GRE
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19 6127

Q:

Ralph Samuelson was only 18 when he invented this sporting item in 1922. What was that?

A) Golf tee	B) Motorboat
C) Water skis	D) Hang glider

Answer & Explanation Answer: C) Water skis

Explanation:

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Filed Under: Inventions

7 6127

Q:

A tennis ball machine serves a ball vertically into the air from a height of 2 feet, with an initial speed of 110 feet per second. After how many seconds does the ball attain its maximum height?

A) 2.87 sec	B) 3.44 sec
C) 4.65 sec	D) 5.41 sec

Answer & Explanation Answer: B) 3.44 sec

Explanation:

It is launched vertically with an initial speed of 110 ft/sec.

It will reach maximum height when the speed drops to 0.

Vo=110 feet per second

ho=2 feet

So, h(t) = -16t^2 +110t +2

Take the derivative: h'(t) = 110 -32t

The maximum height will be at the inflection when the derivative crosses the x-axis, then h'(t)=0.

So, set h'(t)=0 and solve for t:

0 = 110 -32t

-110 = -32t

t=3.4375

t=3.44 seconds.

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Filed Under: Physics
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3 6123

Q:

When you travel in certain parts of India, you will notice red soil. What is the main reason for this colour?

A) Abundance of magnesium	B) Accumulated humus
C) Presence of ferric oxides	D) Abundance of Phosphates

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