CAT Questions

Q:

Find the odd man out of the following number series?

22, 26, 42, 78, 142, 244

A) 244 B) 142
C) 78 D) 42
 
Answer & Explanation Answer: A) 244

Explanation:

The given number series 22, 26, 42, 78, 142, 244 follows a pattern that,

2222 + 22 = 22 + 4 = 2626 + 42 = 26 + 16 = 4242 + 62 = 42 + 36 = 7878 + 82 = 78 + 64 = 142142 + 102 = 142 + 100 = 242 

 

Hence, the odd one in the given number series is 244.

 

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3 33001
Q:

What will come in place of the question mark (?) in the following number series?

312      231      295      ?      282      257

A) 210 B) 25
C) 246 D) 279
 
Answer & Explanation Answer: C) 246

Explanation:

The series follows a pattern that,

-92, +82, -72, +62, -52

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43 32994
Q:

Pick the odd one out from the given number series?

21, 24, 33, 49, 74

A) 21 B) 24
C) 33 D) 49
 
Answer & Explanation Answer: A) 21

Explanation:

The given number series follows a pattern that,

19 + 12 = 20 (not 21)20 + 22 = 2424 + 32 = 3333 + 42 = 4949 + 52 = 74 

 

Hence, the odd number in the given number series is 21.

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8 32968
Q:

Use continuity to evaluate the limit.

limx128+x8+x

 

A) 1 B) 2
C) 4 D) 0
 
Answer & Explanation Answer: A) 1

Explanation:

Since, we have that,

The numerator and denominator is (8+x), which is a polynomial is continuous for all the real numbers i.e. for all x belonging to .

Thus, the limit exists and is given by,

limx128+x8+x = 8+128+12= 1.

 

 

 

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Filed Under: Simplification
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0 32951
Q:

1 4 27 Sequence ...

Find the next two numbers in the above sequnce?

A) 256 & 3125 B) 3125, 46656
C) 46656, 859587 D) None
 
Answer & Explanation Answer: A) 256 & 3125

Explanation:

The above given sequence follows a pattern that,

 

122 = 433 = 2744 = 25655 = 312566 = 46656and so on...

Therefore, the next two numbers in the given sequence is 256 & 3125.

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6 32942
Q:

Wellington Trophy is related to which game ?

A) Rowing B) Hockey
C) Tennis D) Polo
 
Answer & Explanation Answer: A) Rowing

Explanation:

Rowing is the game to which Wellington Trophy is related to. In this participants will be in race in rivers.

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122 32902
Q:

A batsman in his 17th innings makes a score of 85 and their by increasing his average by 3. What is his average after the 17th innings ?

A) 34 B) 36
C) 35 D) 37
 
Answer & Explanation Answer: D) 37

Explanation:

16x + 85 = 17(x + 3)

x = 34 + 3 = 37

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41 32885
Q:

Rita ? into the cellar.

Which of the following words best suitable in the place of '?'

A) ascended B) rescinded
C) descended D) intended
 
Answer & Explanation Answer: C) descended

Explanation:

Rita descended into the cellar.

Descended means went down. As the cellar is in the basement, she must go down.

Options and meanings :: 

descended  -  went down 

rescinded   - cancelled or annulled

ascended   - went up 

intended    - meant

 

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