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CAT Questions

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Q:

In the following sum, “?” stands for which digit ?


8 + ?8 + 28 + 83 + 8? = 2?8

A) 4 B) 3
C) 2 D) 1
 
Answer & Explanation Answer: D) 1

Explanation:

By trial and error method from the given options,

'1' satisfies the above given equation.

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Filed Under: Number Series
Exam Prep: Bank Exams , CAT
Job Role: Bank Clerk

10 29801
Q:

Which of the following is based on the principle of nuclear fusion?

 

A) Atomic bomb B) Hydrogen bomb
C) Both Atomic and Hydrogen bomb D) No option is correct
 
Answer & Explanation Answer: B) Hydrogen bomb

Explanation:
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Filed Under: Physics
Exam Prep: Bank Exams , CAT

1 29770
Q:

A boat takes 19 hours for travelling downstream from point A to point B and coming back to a point C which is at midway between A and B. If the velocity of the stream is 4 kmph and the speed of the boat in still water is 14 kmph, what is the distance between A and B ? 

A) 180 km B) 160 km
C) 140 km D) 120 km
 
Answer & Explanation Answer: A) 180 km

Explanation:

Speed in downstream = (14 + 4) km/hr = 18 km/hr;

Speed in upstream = (14 – 4) km/hr = 10 km/hr.

Let the distance between A and B be x km. Then,

x/18 + (x/2)/10 = 19 ⇔ x/18 + x/20 = 19 ⇒ x = 180 km.

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Filed Under: Boats and Streams
Exam Prep: AIEEE , Bank Exams , CAT
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90 29744
Q:

Arrange the given words in the sequence in which they occur in the dictionary.


i. Obstacle
ii. Obscure
iii. Obsession
iv. Obstruct

A) iii, iv, i, ii B) i, iv, iii, ii
C) ii, iii, i, iv D) iv, iii, ii, i
 
Answer & Explanation Answer: C) ii, iii, i, iv

Explanation:
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Filed Under: Logical Sequence of Words
Exam Prep: AIEEE , Bank Exams , CAT

6 29653
Q:

"I am five times as old as you were, when I was as old as you are", said a man to his son. Find out their present ages, if the sum of their ages is 64 years ?

A) Father = 50; Son =14 B) Father = 40; Son =24
C) Father = 60; Son =4 D) Father = 48; Son =16
 
Answer & Explanation Answer: B) Father = 40; Son =24

Explanation:

Let the present age of the man be 'P' and son be 'Q',
Given, P + Q = 64 or Q = (64 - P)
Now the man says "I am five times as old as you were, when I was as old as you are",
So, P = 5[B - (P - Q)]
We get 6P = 10Q,
Substitute value for Q,
6P = 10(64 - P),
Therefore P = 40, Q = 24.

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Filed Under: Problems on Ages
Exam Prep: AIEEE , Bank Exams , CAT , GATE , GRE
Job Role: Analyst , Bank Clerk , Bank PO

109 29559
Q:

Find the odd man out of the following series?

6, 8, 5, 10, 4, 14

A) 8 B) 10
C) 4 D) 5
 
Answer & Explanation Answer: C) 4

Explanation:

The given number series is 6, 8, 5, 10, 4, 14

6

6 + 2 = 8

8 - 3 = 5

5 + 5 = 10

10 - 7 = 3

3 + 11 = 14

...

 

Hence, the odd man in the given series is 4.

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Filed Under: Odd Man Out
Exam Prep: AIEEE , Bank Exams , CAT , GATE
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1 29503
Q:

Rearrange the parts of the sentence in correct order.


This may be essential at


P-where the market fails to deliver
Q-swath of an economy
R-times, but there is a wide

A) QRP B) QPR
C) PRQ D) RQP
 
Answer & Explanation Answer: D) RQP

Explanation:
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Filed Under: English
Exam Prep: AIEEE , Bank Exams , CAT

0 29406
Q:

What should be replaced in the place of '?' in the following series ?

JAK, KBL, LCM, MDN, ?

A) MEN B) NEM
C) NEO D) OEP
 
Answer & Explanation Answer: C) NEO

Explanation:

This is an alternating series in alphabetical order. The middle letters follow the order ABCDE. The first and third letters are alphabetical beginning with J. The third letter is repeated as a first letter in each subsequent three-letter segment.

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Filed Under: Number Series
Exam Prep: Bank Exams , CAT , GATE , GRE
Job Role: Analyst , Bank Clerk , Bank PO

6 29378