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Q:

What is the capital of Canada ?

A) Ottawa B) Regina
C) Victoria D) None of the above
 
Answer & Explanation Answer: A) Ottawa

Explanation:
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Filed Under: Country Capitals

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Q:

What type of mirror is used in car headlights?

A) Concave B) convex
C) Both A & B D) None of the above
 
Answer & Explanation Answer: A) Concave

Explanation:

Concave type of glasses are used in the headlights of the vehicles as the light from the bulb which is at focus will converges out and spreads and reflects back parallely.

 

What_type_of_mirror_is_used_in_car_headlights1535545831.jpg image

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Filed Under: General Science
Exam Prep: AIEEE , Bank Exams , CAT , GATE
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6 4101
Q:

A research team of 6 people is to be formed from 10 chemists,5 politicians, 8 economists and 15 biologists.How many teams have atleast 5 chemists?

A) 7350 B) 6400
C) 6379 D) 7266
 
Answer & Explanation Answer: D) 7266

Explanation:

10C5 x 28C1 x 10C6 = 7266

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Filed Under: Quantitative Aptitude - Arithmetic Ability

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Q:

A bond formed by the transfer of electrons between atoms of the elements is called

A) Ionic bond B) Covalent bond
C) Co-ordinate bond D) Hydrogen bond
 
Answer & Explanation Answer: A) Ionic bond

Explanation:
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Filed Under: Chemistry

5 4098
Q:

I have four fingers and a thumb, but not alive.

Who am I?

Answer

A glove. It has 5 fingers as we have but not alive.

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Subject: Logic Puzzles Exam Prep: GATE , CAT , Bank Exams , AIEEE
Job Role: Bank PO , Bank Clerk , Analyst

2 4094
Q:

What device converts light energy to electrical energy?

A) Photodiode B) Photovoltaic cell
C) Thermocouple D) Heliostats
 
Answer & Explanation Answer: B) Photovoltaic cell

Explanation:

what_device_converts_light_energy_to_electrical_energy1555397376.png image

 

A device which is used to convert light energy directly into electrical energy is called as photovoltaic cell or a solar cell.

 

Heliostats convert light energy into heat energy.

 

A thermocouple is a device for measuring temperature.

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Filed Under: Physics
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2 4094
Q:

A machine powered by rotating blades is a

A) Fumerole B) Turbines
C) Solar panel D) None of the above
 
Answer & Explanation Answer: B) Turbines

Explanation:

Turbines are machines powered by rotating blades.

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Filed Under: Physics
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4 4094
Q:

Nucleus of Hydrogen atom consists of

A) 2 protons only B) 2 neutrons only
C) 1 proton only D) 1 electron only
 
Answer & Explanation Answer: C) 1 proton only

Explanation:

The nucleus of hydrogen consists of only a single proton.

Its parts are a single negatively-charged electron that circles a single positively-charged nucleus of the hydrogen atom.

The electron is bound to the nucleus by the Coulomb force.

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Filed Under: Chemistry
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4 4093