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Q:

Friction can be reduced by changing from

A) Static to Dynamic	B) Rolling to Sliding
C) Dynamic to Static	D) Sliding to Rolling

Answer & Explanation Answer: D) Sliding to Rolling

Explanation:

Any object rolls when there is no friction. So, Sliding to Rolling is correct.

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Filed Under: Physics
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Q:

11 letter Indian city is I am

Hints ::

2,4,10 is a Unit of Length .

Last 6 letters is a Fruit Name.

9,5,3 is a Soap Name.

1,8,3 is used by a Student

7,8,3 letters is a Bird Name.

6,7,5,3 is an organ in the Face.

From the above given Hints Find that Indian City Name?

Answer

PONDICHERRY is the Indian City with 11 Letters.

Fruit Name : CHERRY

Soap Name : RIN

Bird Name : HEN

Organ : CHIN

Used by Student : PEN

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Subject: Word Puzzles Exam Prep: TOEFL , GRE , GATE , CAT , Bank Exams , AIEEE
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Q:

A mixture contains 25% milk and rest water. What percent of this mixture must taken out and replaced with milk so that in mixture milk and water may become equal.

A) 31.8%	B) 31%
C) 33.33%	D) 29.85%

Answer & Explanation Answer: C) 33.33%

Explanation:

Now, take percentage of milk and applying mixture rule

25 100

50

50 25 = 2 : 1

Hence required answer = 1/3 or 33.33%

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Filed Under: Alligation or Mixture
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Q:

Find the next number in the series

143 143 136 110 ?

A) 91	B) 35
C) 47	D) 69

Answer & Explanation Answer: C) 47

Explanation:

The next number in the series is

143 143 136 110

0 7 26 (Differences)

$1^{3} - 1, 2^{3} - 1, 3^{3} - 1, 4^{3} - 1, . . . Now the next number is given by 110 - (4^{3} - 1) = 110 - 63 = 47 .$

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Filed Under: Odd Man Out
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Q:

Ecology deals with the study of

A) Environment	B) Birds
C) Organisms and their Environment	D) Living beings

Answer & Explanation Answer: C) Organisms and their Environment

Explanation:

Ecology is the branch of science which deals with the study of Ecosystem (relation between the Organisms and their Environment.)

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Filed Under: General Science
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Q:

Vikram Sarabhai Space Centre is located at

A) Thiruvananthapuram	B) Pune
C) Sriharikota	D) Ahmedabad

Answer & Explanation Answer: A) Thiruvananthapuram

Explanation:

Vikram Sarabhai Space Centre is located at Thiruvananthapuram, Kerala.

This is the lead centre of ISRO responsible for the design and development of launch vehicle technology focusing on rocket and space vehicles for India's satellite programme.

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Filed Under: General Awareness
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Q:

14 persons are seated around a circular table. Find the probability that 3 particular persons always seated together.

A) 11/379	B) 21/628
C) 24/625	D) 26/247

Answer & Explanation Answer: C) 24/625

Explanation:

Total no of ways = (14 – 1)! = 13!

Number of favorable ways = (12 – 1)! = 11!

So, required probability = $(\frac{(11! \times 3!)}{13!})$ = $\frac{39916800 \times 6}{6227020800}$ = $\frac{24}{625}$

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Filed Under: Probability
Exam Prep: AIEEE , Bank Exams , CAT , GATE
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Q:

How Many Hours Is 100 Miles?

Answer

It depends on the speed with what you are travelling.

For example, if you have travelled 100 miles and it took 2.5 hours to do it, then that is 100 miles = 2.5 hrs for you.

And the Average Speed is given by 100/2.5 = 40 miles per 1hour.

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Subject: Arithmetical Reasoning Exam Prep: AIEEE , Bank Exams , CAT
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