Q:

A, B and C start at the same time in the same direction to run around a circular stadium. A completes a round in 252 seconds, B in 308 seconds and c in 198 seconds, all starting at the same point. After what time will they again at the starting point ?

A) 26 minutes and 18 seconds	B) 42 minutes and 36 seconds
C) 45 minutes	D) 46 minutes and 12 seconds

Answer & Explanation Answer: D) 46 minutes and 12 seconds

Explanation:

L.C.M. of 252, 308 and 198 = 2772.

So, A, B and C will again meet at the starting point in 2772 sec. i.e., 46 min. 12 sec.

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Filed Under: Quantitative Aptitude - Arithmetic Ability

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Q:

The Oceanic current named as 'Kuroshio, Kurile and Alaskan' are located in ____

A) North Indian Ocean	B) South Indian Ocean
C) North Atlantic Ocean	D) South Atlantic Ocean

Answer & Explanation Answer: C) North Atlantic Ocean

Explanation:

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Filed Under: World Geography

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Q:

Which of the following is not transferred by alveoli?

A) Gases	B) Oxygen
C) Blood	D) Carbondioxide

Answer & Explanation Answer: C) Blood

Explanation:

The main function of the pulmonary alveoli is to perform the transfer and exchange of gases. Here in the given options, blood is only one which is not gas.

Hence, blood is not transferred by alveoli.

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Filed Under: General Science
Exam Prep: AIEEE , Bank Exams
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Q:

The composition of electrician solder is

A) lead-37%, tin-63%	B) Iron-37%, tin-63%
C) lead-37%, Steel-63%	D) Steel-37%, copper-63%

Answer & Explanation Answer: A) lead-37%, tin-63%

Explanation:

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Filed Under: Physics
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Q:

Bhel commissions another 600Mw thermal unit in which state ?

A) Telangana	B) Andhra Pradesh
C) Chattisgarh	D) Karnataka

Answer & Explanation Answer: A) Telangana

Explanation:

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Filed Under: General Awareness
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Q:

A colour blind person has difficulty in distinguishing which of the two colours ?

A) Green & Red	B) White & Red
C) Blue & Red	D) Red & Black

Answer & Explanation Answer: A) Green & Red

Explanation:

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Filed Under: Biology
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Q:

When is the Anti-terrorism day observed?

A) 23 May 2013	B) 22 May 2013
C) 21 May 2013	D) 24 May 2013

Answer & Explanation Answer: C) 21 May 2013

Explanation:

21 May 2013 is observed as Anti terrorism Day on the Death Anniversary of Rajiv Gandhi

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Filed Under: Important Days and Years

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Q:

Only For Geniuses

Solve this MathPuzzle if you can?

num11515666627.jpg image

Answer

Let the required number be 'X'

Condition 1 :

$\frac{X}{X} = 2 X = > 2 X^{2} = X = > X = \frac{1}{2}$

Condition 2 :

$X \times X = \frac{X}{2} = > X = \frac{1}{2}$

Therefore, $(\frac{1}{2})$ is the number which becomes double when it is divided by itself and becomes half when it is multiplied by itself.

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Subject: Math Puzzles Exam Prep: AIEEE , Bank Exams , CAT , GATE
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