Q:

Ultrasonic waves are used for stirring liquid solutions because they

A) do not produce noise during the operation	B) are easy to produce
C) can produce perfectly homogeneous solutions	D) do not produce chemical reactions in the solution

Answer & Explanation Answer: C) can produce perfectly homogeneous solutions

Explanation:

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Filed Under: Physics

87 14934

Q:

Which one of the following Indus Civilization site gives evidence of a dockyard

A) Harappa	B) Lothal
C) Mohenjodaro	D) Rakhigarhi

Answer & Explanation Answer: B) Lothal

Explanation:

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Filed Under: Indian History

22 14933

Q:

In known elements, the maximum number is of

A) Metals	B) Non Metals
C) Metalloids	D) None of these

Answer & Explanation Answer: A) Metals

Explanation:

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Filed Under: Chemistry

56 14933

Q:

Rajasthan receives very little rain because

A) It is too hot	B) there is no water available and thus the winds remain dry
C) the mansoons fail to reach this area	D) the winds do not come across any barrier to cause the necessary uplift to cool the winds

Answer & Explanation Answer: D) the winds do not come across any barrier to cause the necessary uplift to cool the winds

Explanation:

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Filed Under: Indian Geography

56 14926

Q:

Two cubes have their volumes in the ratio 1 : 27. Find the ratio of their surface areas.

A) 2:9	B) 3:9
C) 1:9	D) 4:9

Answer & Explanation Answer: C) 1:9

Explanation:

Let their edges be a and b. Then,

a3/b3 = 1/27 (or) (a/b)3 = (1/3)3 (or) (a/b) = (1/3).

\Ratio of their surface area = 6a2/6b2 = a2/b2 = (a/b)2 = 1/9, i.e. 1:9.

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Filed Under: Quantitative Aptitude - Arithmetic Ability

31 14917

Q:

A Computer works on a _______ number system

A) binary	B) octal
C) decimal	D) hexadecimal

Answer & Explanation Answer: A) binary

Explanation:

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Filed Under: Computer
Exam Prep: Bank Exams

49 14913

Q:

Guess the Missing Letter in the Letter Puzzle ?

19959334_1361674073939693_2011643913464641851_n1500356636.jpg image

A) L	B) M
C) N	D) O

Answer & Explanation Answer: A) L

Explanation:

The Logic followed in the given puzzle is :

L x P = 12 x 16 = 192 (Alphabetical numbers of L & P)

P x T = 16 x 20 = 320 (Alphabetical numbers of P & T)

Similarly, K x () = 132 => () = 132/11 = 12 => L

Hence, the missing letter is L

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Filed Under: Missing letters puzzles
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Bank Clerk , Bank PO

70 14899

Q:

Name the only US president who also served as the Chief Justice of the US Supreme Court.

A) John Quincy Adams	B) William Howard Taft
C) Lyndon B. Johnson	D) Zachary Taylor

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