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Q:

Slow-growing large coloured patches on the bark of trees are the examples of symbiotic life forms called ______.

 

A) Aphids B) Egrets
C) Shrimps D) Lichens
 
Answer & Explanation Answer: D) Lichens

Explanation:
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Filed Under: Biology
Exam Prep: Bank Exams

Q:

Which of the following coloured light has the lowest frequency?

A) Green B) Blue
C) Red D) Violet
 
Answer & Explanation Answer: C) Red

Explanation:
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Filed Under: Physics
Exam Prep: Bank Exams

Q:

___________ is a straw coloured, viscous fluid constituting nearly 55 per cent of the blood.

A) Plasma B) Formed Elements
C) Blood Groups D) Coagulation of Blood
 
Answer & Explanation Answer: A) Plasma

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Filed Under: Biology
Exam Prep: Bank Exams

Q:

One or two statements are given followed by two conclusions/assumptions, I and II. You have to consider the statement to be true, even if it seems to be at variance from commonly known facts. You are to decide which of the given conclusions/assumptions can definitely be drawn from the given statement. Indicate your answer.
Statements: 1. All mangoes are golden in colour. 2. No golden coloured things are cheap.
Conclusions: I. All mangoes are cheap. II. Golden-coloured mangoes are not cheap.

A) Only conclusion I follows B) Only conclusion II follows
C) Either conclusion I or conclusion II follows D) Both conclusions I and II follow
 
Answer & Explanation Answer: B) Only conclusion II follows

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Filed Under: Statement and Conclusions
Exam Prep: Bank Exams

Q:

Brass gets discoloured in air because of the presence of which of the following gases in air  ?

A) Hydrogen sulphide B) Oxygen
C) Nitrogen D) Carbon dioxide
 
Answer & Explanation Answer: A) Hydrogen sulphide

Explanation:
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Filed Under: Chemistry
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Q:

In three coloured boxes - Red, Green and Blue, 108 balls are placed. There are twice as many balls in the green and red boxes combined as there are in the blue box and twice as many in the blue box as there are in the red box. How many balls are there in the green box ?

A) 76 B) 54
C) 64 D) 48
 
Answer & Explanation Answer: B) 54

Explanation:

Let R, G and B represent the number of balls in red, green and blue boxes respectively.

Then, .

R + G + B = 108 ...(i),

G + R = 2B ...(ii)

B = 2R ...(iii)

From (ii) and (iii), we have G + R = 2x 2R = 4R or G = 3R.

Putting G = 3R and B = 2R in (i), we get:

R + 3R + 2R = 108 6R = 108 R = 18.

Therefore Number of balls in green box = G = 3R = (3 x 18) = 54.

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Filed Under: Arithmetical Reasoning
Exam Prep: AIEEE , Bank Exams , CAT
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Q:

A cuboid shaped wooden block has 6 cm length, 4 cm breadth and 1 cm height.
Two faces measuring 4 cm x 1 cm are coloured in black.
Two faces measuring 6 cm x 1 cm are coloured in red.
Two faces measuring 6 cm x 4 cm are coloured in green.
The block is divided into 6 equal cubes of side 1 cm (from 6 cm side), 4 equal cubes of side 1 cm(from 4 cm side).

How many cubes will have green colour on two sides and rest of the four sides having no colour ?

A) 8 B) 24
C) 16 D) 4
 
Answer & Explanation Answer: A) 8

Explanation:

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There are 16 small cubes attached to the outer walls of the cuboid.
Therefore remaining inner small cubes will be the cubes having two sides green coloured.
So the required number = 24 - 16 = 8

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Filed Under: Math Puzzles
Exam Prep: AIEEE , Bank Exams , CAT , GATE , GRE
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Q:

The number of signals that can be generated by using 5 differently coloured flags, when any number of them may be hoisted at a time is:

A) 235 B) 253
C) 325 D) None of these
 
Answer & Explanation Answer: C) 325

Explanation:

Required number of signals = 5P1 + 5P2 + 5P3 + 5P4 + 5P5

= 5 + 20 + 60 + 120 + 120 = 325

 

 

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Filed Under: Permutations and Combinations
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Bank Clerk , Bank PO