Exams


Q:

Removal of carbon particles from air involves the principle of

A) Precipitation B) Filteration
C) Electrophoresis D) Sedimentation
 
Answer & Explanation Answer: C) Electrophoresis

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Filed Under: Chemistry
Exam Prep: Bank Exams

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Q:

What number should be added to each of the numbers 55, 100, 65 and 116, so that the resulting numbers are in continued proportion?

A) 20 B) 10
C) 5 D) 15
 
Answer & Explanation Answer: A) 20

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Filed Under: Ratios and Proportions
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Q:

The Entrepreneurship Development Scheme (EDS) has been launched under New Economy Development Policy (NEDP) on January 19, 2017 at _____.

A) New Delhi B) Mizoram
C) Gujrat D) Uttar Pradesh
 
Answer & Explanation Answer: B) Mizoram

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Filed Under: Indian Politics
Exam Prep: Bank Exams

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Q:

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.
Sow wild oats

A) To make someone fool B) To make space to red
C) To take revenge D) To waste time by doing foolish things
 
Answer & Explanation Answer: D) To waste time by doing foolish things

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Filed Under: English
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Q:

Two equal circles intersect such that each passes through the centre of the other. If the length of the common chord of the circles is 10√3 cm, then what is the diameter of the circle?

A) 10 cm B) 15 cm
C) 20 cm D) 30 cm
 
Answer & Explanation Answer: C) 20 cm

Explanation:

Let there be 2 circles with centre O1 and OAB is the common chord

Since both passes through the center of each other as shown in figure

So O1O is the radius of both

Let O1O = r = AO1= AO

AX = AB / 2 = 5√3 cm (since OX perpendicular to chord bisects it)

AOO1 forms an equilateral triangle with on side = radius = r

Sin 60 = √3/2 = AX / AO = 5√3/r

So r = 10 cm

So diameter = 20 cm

 

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Filed Under: Simplification
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Q:

Of the 5 numbers whose average is 78, the first is 2/11 times the sum of other 4. The first number is

A) 90 B) 40
C) 60 D) 120
 
Answer & Explanation Answer: C) 60

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

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Q:

The marked price of an article is Rs. 5000. But due to a special festive offer a certain percent of discount is declared. Mr. X availed this oppurtunity and bought the article at reduced price. He then sold it at Rs. 5000 and thereby made a profit of 11 1/9%. The percentage of discount allowed was?

A) 10 B) 10/3
C) 15/2 D) 100/9
 
Answer & Explanation Answer: A) 10

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Filed Under: Percentage
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Q:

Opposite the micropylar end, is the __________, representing the basal part of the ovule.

A) hilum B) funicle
C) chalaza D) nucellus
 
Answer & Explanation Answer: C) chalaza

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Filed Under: Biology
Exam Prep: Bank Exams

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