Aptitude and Reasoning Questions

Q:

Find the missing number in the given number series?

625, 625, 600, ?, 475, 875

A) 545 B) 700
C) 675 D) 725
 
Answer & Explanation Answer: B) 700

Explanation:

Here the given number series 625, 625, 600, ?, 475, 875 follows a pattern that

625

625 + (0 x 0) = 625

625 - (5 x 5) = 625 - 25 = 600

600 + (10 x 10) = 600 + 100 = 700

700 - (15 x 15) = 700 - 225 = 475

475 + (20 x 20) = 475 + 400 = 875

 

Hence, the missing number in the given number series is 700.

 

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Filed Under: Number Series
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14 75009
Q:

How many such pairs of digits are there in the number 421579368 each of which has as many digits between them in the number as when they are arranged in ascending order?

A) None B) One
C) Two D) Three
 
Answer & Explanation Answer: D) Three

Explanation:

Given Number:     4  2  1  5  7  9  3  6  8

 

Ascending order:  1  2  3  4  5  6  7  8  9

 

Hence the required pairs are  12, 49, 16

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Filed Under: Number, Ranking and Time Sequence Test
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1158 74891
Q:

Antonym of the word

DOLEFUL :

A) Lamentable B) Dismal
C) Pitiful D) Glad
 
Answer & Explanation Answer: D) Glad

Explanation:
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Filed Under: Alphabet Test
Exam Prep: AIEEE , Bank Exams , CAT
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22 74776
Q:

 AND    FOR    THE    BIG    SUM

If second alphabet in each of the words is changed to next alphabet in the English alphabetical order, How many words having two vowels will be formed? 

A) None B) One
C) Two D) Three
 
Answer & Explanation Answer: C) Two

Explanation:

When the second alphabets in each of the words are changed to the next alphabet in the English alphabetical order, we have

AOD    FPR    TIE    BJG    SVM

Clearly, there two words having  two vowels. These words are AOD and TIE

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Filed Under: Alphabet Test

25 74573
Q:

If ROSE is coded as 6821, CHAIR is coded as 73456 and PREACH is coded as 961473, what will be the code for SEARCH ?

A) 246173 B) 214673
C) 214763 D) 216473
 
Answer & Explanation Answer: B) 214673

Explanation:

 The alphabets are coded as shown :

 

R O SE C H A I P6  8  2  1  7 3  4 5 9

 

So, in SEARCH,

 

S ia coded as 2,
E as 1,
A as 4,
R as 6,
C as 7,
H as 3.
Thus, the code for SEARCH is 214673

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Filed Under: Coding and Decoding

708 74462
Q:

194, 194, 191, 183, 168, ?

Find the next number in the above series? 

A) 154 B) 156
C) 144 D) 143
 
Answer & Explanation Answer: C) 144

Explanation:

Here the series follows,

194

194 - (1x1 - 1) = 194

194 - (2x2 - 1) = 191

191 - (3x3 - 1) = 183

183 - (4x4 - 1) = 168

168 - (5x5 - 1) = 144

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Filed Under: Odd Man Out
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15 74366
Q:

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

6859       5832     ?      4096     3375

A) 4589 B) 4913
C) 5013 D) 5169
 
Answer & Explanation Answer: B) 4913

Explanation:

The given series follows a pattern that,

19 x 19 x 19 = 6859

18 x 18 x 18 = 5832

17 x 17 x 17 = 4913

16 x 16 x 16 = 4096

15 x 15 x 15 = 3375

So, the missing number in the given series = 4913  

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Filed Under: Number Series
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65 74302
Q:

Find the missing number in the following series?

2, 3, 10, 39, ?, 885

A) 128 B) 156
C) 172 D) 189
 
Answer & Explanation Answer: C) 172

Explanation:

Take a Look at the below sereies

2×1+12=3

3×2+22=10

10×3+32=39

39×4+42=172

172×5+52=885

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Filed Under: Number Series

75 74171