Bank PO Questions


Q:

Karthik walks at 5 km/hr and reaches his destination 8 min late. If he walks at 6 km/hr, he reaches his destination on time. What distance he will cover in given time ?

A) 10 kms B) 8 kms
C) 6 kms D) 4 kms
 
Answer & Explanation Answer: D) 4 kms

Explanation:

Let the actual distance be t kms

Now, According to the data,

 

5t + 860 = 6t=> 560t + 860 = 6t=> 60t + 8 = 72t=> 8 = 12t=> t = 8/12 = 2/3 hrs

 

Now, the total distance = 6t = 6 x 2/3 = 2 x 2 = 4 kms.

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Filed Under: Time and Distance
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17 6044
Q:

Speed of laser printer is measured in

A) PPM B) CPM
C) LPM D) DPI
 
Answer & Explanation Answer: A) PPM

Explanation:

Now a days, printers we are using are called as laser printers. The speed of a laser printer is measured in PPM i.e, Pages Per Minute

 

speed_of_laser_printer_is_measured_in1553490856.jpg image

Laser printing is an electrostatic digital printing process. It produces high-quality text and graphics by repeatedly passing a laser beam back and forth over a negatively charged cylinder called a "drum" to define a differentially charged image.

 

Compared to inkjet printers which use ink for printing laser printers are more expensive as they use toner which lasts for long.

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Filed Under: General Science
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2 6043
Q:

Unlike Mitosis, Meiosis results in the formation of

A) 2N daughter cells B) Haploid cells
C) body cells D) Diploid cells
 
Answer & Explanation Answer: B) Haploid cells

Explanation:

Unlike Mitosis, Meiosis results in the formation of 4 Genetically different cells.

 

Meiosis results in the formation of 4 Haploid daughter cells from one Diploid parent cell.

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Filed Under: Biology
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6 6043
Q:

Charminar is made up of which rock?

A) Limestone B) Marble
C) Granite D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

Charminar was built at the center of the Hyderabad city in Telangana state, to commemorate the eradication of Plague by Mohammed Quli Qutb Shah in early 1500's. 

charminar_is_made_up_of_which_rock1542451710.jpg image 

It was built with Granite, imestone and Marble.

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Filed Under: General Science
Exam Prep: CAT , Bank Exams , AIEEE
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7 6040
Q:

 A motorboat takes half time to cover a certain distance downstream than upstream. What is the ratio between rate of current and rate of boat in still water?

A) 1 : 3 B) 3 : 2
C) 2 : 3 D) 3 : 1
 
Answer & Explanation Answer: A) 1 : 3

Explanation:

Let the speed of the boat in still water is 'w'

Speed of the current is 'c'

Let the distance between two places is 'd'

According to the question, motorboat takes half time to cover a certain distance downstream than upstream.

dw+c = 12dw-c

=> 2w - 2c = w + c

=> w = 3c

=> c : w = 1 : 3

 

Hence, the ratio between rate of current(c) and rate of boat in still water(w) = 1 : 3

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12 6037
Q:

In how many ways the letters of the word NUMERICAL can be arranged so that the consonants always occupy the even places ?

A) 5! B) 6!
C) 4! D) Can't determine
 
Answer & Explanation Answer: D) Can't determine

Explanation:

NUMERICAL has 9 positions in which 2, 4, 6, 8 are even positions.

And it contains 5 consonents i.e, N, M, R, C & L. Hence this cannot be done as 5 letters cannot be placed in 4 positions.

Therefore, Can't be determined.

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Filed Under: Permutations and Combinations
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6 6032
Q:

A person sold two cows each for Rs.9900. If he gained 10% on one and lost 20% on the other, then which of the following is true ?

A) He lost Rs. 200 B) He gained Rs. 200
C) Neither he gained nor lost D) None of the above
 
Answer & Explanation Answer: D) None of the above

Explanation:

In first he got Rs. 990

But in second he lost Rs. 1980

So he lost Rs. 990.

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Filed Under: Profit and Loss
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3 6030
Q:

What is the structural unit of compact bone?

A) Osteon B) Spongy bone
C) Lamellae D) Periosteum
 
Answer & Explanation Answer: A) Osteon

Explanation:

what_is_the_structural_unit_of_compact_bone1536568861.jpg image

 

The structural unit of compact bone is Osteons or Haverisan systems.

 

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Filed Under: Biology
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0 6029