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Q:

Diameter of a Ping Pong Ball?

A) 37 mm B) 38 mm
C) 40 mm D) 42 mm
 
Answer & Explanation Answer: C) 40 mm

Explanation:

The ball with which Table Tennis is played is called Ping Pong Ball.

According to the International rules, the diameter of the ping pong ball must be not less than 39.5 millimeters and not greater than 40.5  millimeters having a mass of 2.7 grams.

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

14 4503
Q:

What landmark in science and technology did india achieve on 21 November 1963?

Answer

The launch of the first rocket from TERLS or Thumba Equatorial Rocket  Launching Centre.

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Subject: General Science

30 4503
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
Job Role: Analyst , Bank Clerk , Bank PO

6 4503
Q:

'Sheqel' is the currency of 

A) Israel B) Kenya
C) Iraq D) Iran
 
Answer & Explanation Answer: A) Israel

Explanation:
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Filed Under: General Awareness
Exam Prep: Bank Exams
Job Role: Bank PO

3 4501
Q:

A column defined as UNIQUE can contain Nulls while a column defined as PRIMARY KEY can't contain Nulls

A) TRUE B) FALSE
Answer & Explanation Answer: A) TRUE

Explanation:

Because a table can have only one primary key

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Subject: Oracle Certification
Job Role: Database Administration

1 4500
Q:

The oldest known organic compound is

A) Urea B) Methane
C) Acetic acid D) Benzene
 
Answer & Explanation Answer: C) Acetic acid

Explanation:

In the form of vinegar, acetic acid is known from very early times. It is got by oxidation of fermented liquors (10-15%, alcohol) by air under the influence of a bacteria called 'mycoderma acetic'

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Filed Under: Chemistry

4 4500
Q:

The invasion of which of these countries in 1939 widely regarded to have started World War II ?

A) Italy B) Germany
C) Poland D) France
 
Answer & Explanation Answer: C) Poland

Explanation:
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Filed Under: World History

6 4499
Q:

Hepatitis virus destroys the cells and may cause the disease

A) Jaundice B) Malaria
C) Typhoid D) Elephantiasis
 
Answer & Explanation Answer: A) Jaundice

Explanation:
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Filed Under: Biology

7 4498