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Q:

Researchers from Columbia University Medical Centre in United States of America have converted which of the following into the world’s smallest data recorder?

A) Natural bacterial immune system B) Magnetic tape
C) Viral snippet copies D) No option is correct.
 
Answer & Explanation Answer: A) Natural bacterial immune system

Explanation:
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Filed Under: General Awareness
Exam Prep: Bank Exams

Q:

Read each sentence to find out whether there is any error in any part

As I was leaving for Delhi(a), he asked me whether(b) I could buy a tape recorder for him(c). No error.(d)

A) a B) b
C) c D) d
 
Answer & Explanation Answer: D) d

Explanation:
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Filed Under: English
Exam Prep: Bank Exams

Q:

What is the usual colour of Aircraft data recorder "Black box" ?

A) Black B) Orange
C) Blue D) Greeen
 
Answer & Explanation Answer: B) Orange

Explanation:
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Q:

Subbu purchased a tape recorder at 9/10 of its selling price and sold it at 8% more than its selling price. His gain is

Answer

Let S.P = x then C.P = \inline \frac{9x}{10}


Selling price received by subbu = (108% of x)


                                            = \inline \frac{108}{100}x=\frac{27}{25}x


Gain= \inline (\frac{27}{25}x-\frac{9}{10}x)=\frac{9}{50}x


Hence gain% = \inline (\frac{9x}{50}\times \frac{10}{9x}\times 100) = 20%

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Subject: Percentage