Questions

Q:

A device used for the measurement of radioactivity is

A) mass spectrometer B) cyclotron
C) nuclear reactor D) G.M.counter
 
Answer & Explanation Answer: D) G.M.counter

Explanation:
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Filed Under: Chemistry

13 7092
Q:

Milk is an example of a

A) Emulsion B) Solution
C) Gel D) Suspension
 
Answer & Explanation Answer: A) Emulsion

Explanation:

Milk is an emulsion of oil in water (o/w).


Emulsion: A suspension of droplets of one liquid in another.

Constituents of milk :

The principal constituents of milk are water, fat, proteins, lactose (milk sugar) and minerals (salts). Milk also contains trace amounts of other substances such as pigments, enzymes, vitamins, phospholipids (substances with fatlike properties), and gases.

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Filed Under: Chemistry
Exam Prep: AIEEE , Bank Exams , CAT , GATE
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10 7089
Q:

I am a number I am not an odd number I am higher than 90 I am not higher than 100 If you subtract me from 100, you get nothing. What number am I?

Answer

The required number 100.


It is not an odd number and is not higher than 100 and greater than 90.


When we subtract 100 from 100, we get nothing i.e, 0.

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Subject: Number Puzzles Exam Prep: Bank Exams

41 7089
Q:

Which state is known as land of setting sun in India?

A) Rajasthan B) Arunachal Pradesh
C) Kerala D) Gujarat
 
Answer & Explanation Answer: A) Rajasthan

Explanation:

Arunachal Pradesh is known as the land of rising sun whereas Rajasthan is known as the land of setting sun in Indian states.

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Filed Under: Indian Geography
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3 7085
Q:

What is the Probability of all cars not clashing each other ?

triangular1504515041.jpg image

A) 1/8 B) 0
C) 1/4 D) 1
 
Answer & Explanation Answer: C) 1/4

Explanation:

Non collision can happen only when all the cars move in same direction.

That is either all cars moving in clockwise direction or all cars moving in anti clockwise direction.
P(all cars not colliding)

= P(all cars moving in the same direction)

= P(all cars moving in clockwise direction)  +  P(all cars moving in anticlockwise direction)

= [p(A --> C) x p(C --> B) x p(B --> A)]  +  [p(A --> B) x p(B --> C) x p(C --> A)]

= [1/2 x 1/2 x 1/2] + [1/2 x 1/2 x 1/2]

= 1/8 + 1/8

= 1/4

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Filed Under: Math Puzzles
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18 7080
Q:

Which state government has launched e-health program “Jeevan Rekha” to provide a centralised database of healthcare information? 

A) Assam B) Kerala
C) Madhya Pradesh D) Chhattisgarh
 
Answer & Explanation Answer: B) Kerala

Explanation:

The C.M of Kerala, Pinarayi Vijayan has recently launched e-health program “Jeevan Rekha” to make electronic health records of a population in Thiruvananthapuram.

 

It is a first-of-its-kind initiative in India to provide a centralised database of healthcare information and efficient service delivery to the people.

 

The new system would help in creating a good hospital management system and patient-friendly atmosphere in hospitals.

 

Once data of a patient is centralised, it would help the person get continuous treatment at all hospitals in the state.

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Filed Under: General Awareness

43 7075
Q:

Which of the following crop is known as Green Gold?

A) Coffee B) Neem
C) Tea D) Rice
 
Answer & Explanation Answer: C) Tea

Explanation:

Tea crop is known as Green Gold.

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Filed Under: General Science
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11 7072
Q:

 When three or more AND and OR conditions are combined, it is easier to use the SQL keyword(s):

A) LIKE only. B) IN only.
C) NOT IN only. D) Both IN and NOT IN.
 
Answer & Explanation Answer: D) Both IN and NOT IN.

Explanation:
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Filed Under: Database

2 7071