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Q:

 If a2 = 12, then a4 =? 

 

A) 144 B) 72
C) 36 D) 24
 
Answer & Explanation Answer: A) 144

Explanation:

Given a x a = 12

asked to find a x a x a x a =  (a x a) x (a x a)

a4 = a2 x a2 

= 12 x 12

= 144.

 

More :: Mathematical operations questions and answers.

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

7 79193
Q:

Junk e-mail is also called ______

A) Spam B) Spoof
C) Sniffer script D) Spool
 
Answer & Explanation Answer: A) Spam

Explanation:

Junk_E-mail_is_also_called1549019550.jpg image

 

Junk e-mail is also called Spam.

 

Sending irrelevant messages or the same message to a large number of users over the internet for the purpose of advertisement or malicious intent is called as spamming and that content is called as SPAM or JUNK.

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

415 79187
Q:

Calculate the power (in W) of an engine if it can perform 120 J of work in 3 seconds.

 

A) 360 B) 80
C) 180 D) 40
 
Answer & Explanation Answer: D) 40

Explanation:
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Filed Under: Physics
Exam Prep: Bank Exams

0 79164
Q:

If 18$6 = 6, 8$2 = 3 and 8$4 = 2, then find the value of 18$12 = ?

 

A) 3 B) -8
C) 4 D) 6
 
Answer & Explanation Answer: A) 3

Explanation:
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Filed Under: Coding and Decoding
Exam Prep: Bank Exams

2 79114
Q:

Organisms that can make their own food are called

 

 

A) Cyanobacteria B) Autotrophs
C) Heterotrophs D) Omnivores
 
Answer & Explanation Answer: B) Autotrophs

Explanation:

The organisms that make their own food through basic elements like water, minerals using sunlight as energy (photosynthesis) are called Autotrophs.

 

 

 

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Filed Under: Biology
Exam Prep: Bank Exams

1 79022
Q:

Who expanded the cell theory and suggested that all the cells arise from pre-existing cells?

 

A) T. Schwann B) M. Schleiden
C) J. E. Purkinje D) Rudolf Virchow
 
Answer & Explanation Answer: D) Rudolf Virchow

Explanation:
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Filed Under: Biology
Exam Prep: Bank Exams

0 78976
Q:

Improve the bracketed part of the sentence.

Venezuelans (were being) deprived of food and medicines for the past year.

A) were B) are
C) have been D) no improvement
 
Answer & Explanation Answer: C) have been

Explanation:
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Filed Under: English
Exam Prep: Bank Exams

0 78703
Q:

The members of NAFTA are

 

 

A) USA, Canada and Mexico B) USA, Canada and India
C) USA, Canada and Japan D) USA, UK and India
 
Answer & Explanation Answer: A) USA, Canada and Mexico

Explanation:

The North American Free Trade Agreement (NAFTA) is an agreement signed by Canada, Mexico, and the United States and entered into force on 1 January 1994 in order to establish a trilateral trade bloc in North America.

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Filed Under: General Awareness
Exam Prep: Bank Exams

0 78659