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Q:

The nitrogen atom has 7 protons and 7 electrons,The nitride ion will have

A) 10 protons and 7 electrons B) 7 protons and 10 electrons
C) 4 protons and 7 electrons D) 4 protons and 10 electrons
 
Answer & Explanation Answer: B) 7 protons and 10 electrons

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Filed Under: Chemistry

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Q:

Who said, " I therefore, want freedom immediately, this very night, before dawn, if it can be had

A) Mahatma Gandhi B) Edwina Mounbatten
C) Jawaharlal Nehru D) Ms. Taslima Nasreen
 
Answer & Explanation Answer: A) Mahatma Gandhi

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Filed Under: Books and Authors

43 14263
Q:

Improve the bracketed part of the sentence.

 

The B109 funds are intended to offset the loss of wages due to TB, and to help with (both travelling and nutrition).

 

A) both traveled and nutrition B) both travelling and nutritional
C) both travel and nutrition D) No improvement
 
Answer & Explanation Answer: C) both travel and nutrition

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Filed Under: English
Exam Prep: Bank Exams

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Q:

Improve the bracketed part of the sentence.

 

The purpose of speaking is to communicate, (I chose words that are the best) for the idea I want to convey.

A) I am choosing words that were the best B) I did choose words that are the best
C) I choose words that are the best D) No improvement
 
Answer & Explanation Answer: C) I choose words that are the best

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Filed Under: English
Exam Prep: Bank Exams

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Q:

Improve the bracketed part of the sentence.

Woodrow Wilson was referring to the liberal idea of the economic market when he said that the free enterprise system is the (much) efficient economic system.

A) most B) many
C) mere D) No improvement
 
Answer & Explanation Answer: A) most

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Filed Under: English

0 14241
Q:

Who is the planet moving in the opposite direction than other planets in Solar System?

 

A) Neptune B) Pluto
C) Uranus D) Saturn
 
Answer & Explanation Answer: C) Uranus

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Filed Under: General Science
Exam Prep: Bank Exams

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Q:

Rihand Valley Project is located in the state of

A) Uttar Pradesh B) Bihar
C) Orissa D) Madhya Pradesh
 
Answer & Explanation Answer: A) Uttar Pradesh

Explanation:

It is a scheme across the river Rihand near Pipri in Mirzapur district of Uttar Pradesh

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Filed Under: Indian Geography

39 14233
Q:

A periscope works by the principle of

A) Total internal reflection B) Refraction
C) Diffraction D) Reflection & Refraction
 
Answer & Explanation Answer: A) Total internal reflection

Explanation:

A periscope is an optical instrument that uses a system of prisms, lenses, or mirrors to reflect images through a tube.

 

 per11526634345.jpg image

 

Light from a distant object strikes the top mirror and is then reflected at an angle of 90 degrees down the periscope tube. At the bottom of the periscope, the light strikes another mirror and is then reflected into the viewer’s eye.

 

Hence, A periscope works by the principle of Total internal reflection.

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

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