Questions

Q:

4 mat-weavers can weave 4 mats in 4 days. At the same rate, how many mats would be woven by 8 mat-weavers in 8 days?

A) 4 B) 8
C) 12 D) 16
 
Answer & Explanation Answer: D) 16

Explanation:

Let the required number of bottles be x.

 

 

 

More weavers, More mats (Direct Proportion)

 

 

 

More days, More mats (Direct Proportion)

 

 

 

Wavers   4:8Days       4:8  :: 4:x

 

 

 

 4 x 4 x x = 8 x 8 x 4

 

 

 

=> x= 8*8*44*4

 

 

 

=>  x = 16.

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2 4153
Q:

World Health Day is observed on ________

A) April 7 B) April 14
C) April 21 D) April 28
 
Answer & Explanation Answer: A) April 7

Explanation:
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23 4150
Q:

A nuclear reactor is said to have become 'critical' when 

A) it stops due to malfunctioning B) it starts emitting dangerous radioactive radiations
C) it is shut down to avoid explosion D) it is ready to produce controlled energy
 
Answer & Explanation Answer: D) it is ready to produce controlled energy

Explanation:

To produce controlled energy i.e energy at a controlled or steady rate, the number of fissions per second must be controlled and maintained at that rate. Excess neutrons should be absorbed by control roads like cadmium.

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Filed Under: Physics

4 4149
Q:

The largest flag of India measuring _______ feet was inaugurated on March 5, 2017 on the tallest flag post at the Indo-Pak Attari Border in Amritsar.

A) 360 ft B) 280 ft
C) 300 ft D) 310 ft
 
Answer & Explanation Answer: A) 360 ft

Explanation:
  • A 360-foot-high (110 metres) flag post, said to be the country's tallest, was inaugurated at the Indo-Pak Attari Border, just a stone's throw from Pakistan.
  • Punjab Minister Anil Joshi inaugurated the country's largest tricolour on the tallest flag post - measuring 110 metres in length, 24 metres in width and 55 tons in weight. Built at an approximate cost of Rs 3.50 crore, the post was a project of the Amritsar Improvement Trust Authority of the Punjab Government.
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Filed Under: Longest, Shortest, Deepest
Exam Prep: Bank Exams , CAT
Job Role: Bank Clerk

12 4143
Q:

What are the four layers that Windows NT have in order to achieve independence?

Answer

1.Hardware abstraction layer


2.Kernel


3.Subsystems


4.System Services.

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Q:

In Which Indian state is the world's highest cricket ground located ?

A) Himachal Pradesh B) Uttarakhand
C) West Bengal D) Jammu Kashmir
 
Answer & Explanation Answer: A) Himachal Pradesh

Explanation:
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Filed Under: Books and Authors

11 4140
Q:

The main buffer system of the human blood is

A) H2CO3 B) H2SO4
C) CO2 D) O3
 
Answer & Explanation Answer: A) H2CO3

Explanation:

the_main_buffer_system_of_the_human_blood_is1556690852.jpg image

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

4 4139
Q:

A Radioactive subatance emits

A) alpha particles B) beta particle
C) gamma particle D) all of the three
 
Answer & Explanation Answer: D) all of the three

Explanation:
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Filed Under: Chemistry

4 4139