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Q:

When two similar sources vibrate with slightly different frequencies , a regular rise and fall occurs in the loudness of tone. This phenomenon is known as 

A) doppler effect B) beats
C) resonance D) echo
 
Answer & Explanation Answer: B) beats

Explanation:

Beats means the periodic increase and decrease in loudness heard when two notes of nearly the same frequency are sounded simultaneously.

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Filed Under: Physics

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Q:

Which object, initially called the 'Whirlwind', was invented by Ives McGaffey in 1869 ?

A) Washing machine B) Electric mixer
C) Vacuum cleaner D) Blender
 
Answer & Explanation Answer: C) Vacuum cleaner

Explanation:
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Filed Under: Inventions

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Q:

Alone I am 24th, with a friend I am 20. Another friend and I am unclean. What am I?

Answer

The answer is 'X'.


1. It is the 24th letter in the alphabetical order.


2. XX (20 in Roman)


3. XXX is used to refer dirty.

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Subject: Logic Puzzles Exam Prep: AIEEE , Bank Exams , CAT , GATE , GRE , TOEFL
Job Role: Analyst , Bank Clerk , Bank PO , IT Trainer , Network Engineer , Project Manager

7 4129
Q:

Which monument is known as "The National Monument of India"?

A) India Gate B) Gateway of India
C) Raj Ghat D) Red fort
 
Answer & Explanation Answer: A) India Gate

Explanation:
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Filed Under: Famous Places

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Q:

The comparative form of adjectives compares

A) more than two things or people. B) the past to the present.
C) two things or people. D) at least a dozen different times.
 
Answer & Explanation Answer: C) two things or people.

Explanation:

A comparative compares a person or thing with another person or thing. A superlative compares a person or thing with the whole group of which that person or thing is a member

Comparative adjectives compare one person or thing with another and enable us to say whether a person or thing has more or less of a particular quality.

Example :: I’m more interested in music than studies, Arun is taller than Karthik.

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Filed Under: English
Exam Prep: AIEEE , Bank Exams , CAT , GATE , GRE , TOEFL
Job Role: Analyst , Bank Clerk , Bank PO

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Q:

In Indian musical terminology, what is the feminine of Raga?

Answer

Ragini

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Subject: Indian Culture

44 4127
Q:

Where is the sheet number on a map found?

Answer

The sheet number on the map is found in bold print in both the upper right and lower left areas of the margin.

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Subject: World Geography Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

1 4127
Q:

The rate of heartbeat is accelerated by the harmone

A) adrenaline B) acetylcholine
C) thyroxine D) pituitrin
 
Answer & Explanation Answer: A) adrenaline

Explanation:

The hormone adrenaline also called epinephrine is known as a stress harmone. In emotional upset (like fear, anger etc.) this harmone is poured into the blood and it accelerates heart beat. The hormone acetylcholine decelerates heartbeat rate.

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Filed Under: Biology

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