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 6128

Q:

What is the national sport of Pakistan?

A) Cricket	B) Football
C) Hockey	D) Table Tennis

Answer & Explanation Answer: C) Hockey

Explanation:

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Filed Under: Sports
Exam Prep: Bank Exams

1 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
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

3 6125

Q:

Which of the following is NOT a waste material removed from blood in the kidney?

A) Ammonia	B) Carbon dioxide
C) Urea	D) Uric acid

Answer & Explanation Answer: B) Carbon dioxide

Explanation:

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Filed Under: Chemistry
Exam Prep: AIEEE , Bank Exams

1 6122

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

Answer & Explanation Answer: C) Presence of ferric oxides

Explanation:

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Filed Under: Indian Geography

12 6112

Q:

STEP is the abbreviated name of the welfare programme to help

A) Children	B) Woman
C) Farmers	D) Senior citizens

Answer & Explanation Answer: B) Woman

Explanation:

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Filed Under: Indian Economy

15 6111

Q:

Which of the following is/are the function(s) of bile juice released from the liver?

I. Make the food coming from stomach alkaline.

II. Conversion of proteins into amino acids.

III. Break down of fats into smaller globules.

A) Only I	B) Only II and III
C) Only I and III	D) All I, II and III

Answer & Explanation Answer: C) Only I and III

Explanation:

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Filed Under: Biology
Exam Prep: Bank Exams

1 6109

Q:

What kind of attempts is made by individuals to obtain confidential information from a person by falsifying their identity ?

A) Spyware scams	B) Phishing scams
C) Computer viruses	D) None

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