Mental Ability - Questions

1 .
Which of the following pairs have the same relationship as OFTEN : FOTEN?
A)
FIRST : IFRST
B)
HEART : TRAHE
C)
OPENS : SNEOP
D)
RISKY : IRSYK

Correct Answer : Option (D) - RISKY : IRSYK

Explanation :

It is a case of shifting as given below :
 
      1  2  3  4  5                    2  1  3  5  4
 
      O  F  T  E  N         →        F  O  T  N  E
 
---------------------------------------------------------------------------
 
       1  2  3  4  5                   5  4  3  1  2
 
1.    H  E  A  R  T       →      T  R  A  H  E    
 
2.    O  P  E  N  S  →  S  N  E  O  P
 
        1  2  3  4  5         2  1  3  5  4
 
3.    R  I  S  K  Y  →   I  R  S  Y  K
 
4.    F  I  R  S  T  →   I  F  R  S  T
 
Hence option 3 is correct.

2 .
Careful is to Cautious as Boastful is to
A)
Humble
B)
Happily
C)
Arrogant
D)
Surprisingly

Correct Answer : Option (C) - Arrogant

Explanation :

Here the given words Careful and Cautious are related in such a way that they are Synonyms of each other.
 
Therefore, Similarly Boastful is synonym to the word Arrogant.
 
Happily and Humble are Antonyms of Boastful and Surprisingly is the word not related to Boastful in any way.

3 .
Select the related word/letters/numbers from the given alternatives: OOQR : QQST :: UUWX : ?
A)
YYWZ
B)
WWYZ
C)
YYZZ
D)
ZZWY

Correct Answer : Option (B) - WWYZ

4 .
In a certain code language, "pen" means "paper", "paper" means "yellow", "yellow" means "blanket", "blanket" means "shirt" and "shirt" means "pencil".Where do we write?
A)
yellow
B)
shirt
C)
pen
D)
blanket

Correct Answer : Option (A) - yellow

5 .
What should come next in the following letter series based on English alphabet ? CEA JLH QSO ?
A)
XZV
B)
UXW
C)
WYU
D)
WXV

Correct Answer : Option (A) - XZV

Explanation :

In the given series, each letter moves seven letters forward to obtain the next.

So, XZV replaces ? in the series.

6 .
In a class of students, if 1 is absent rest of people can be divided into 6 equal parts and if 2 are absent rest of them are divided into 7 equal parts, how many students are present in the class ?
A)
19
B)
28
C)
37
D)
57

Correct Answer : Option (C) - 37

Explanation :

Let the number of students in the class be 'x'.

Given if 1 is absent rest of people can be divided into 6 equal parts i.e (x-1)/6.........(1)

And given if 2 are absent rest of people can be divided into 7 equal parts i.e (x-2)/7.....(2)

From (1)&(2), we get

x-1/6 = ((x-2)/7) + 1

=> x = 37.

7 .
Choose the missing terms out of the given alternatives ejo, tyd, ins, xch, ?
A)
nrw
B)
nsw
C)
nsx
D)
mrw

Correct Answer : Option (D) - mrw

Explanation : There is a gap of 4 letters between the first and second, second and third letters of each term, and also between the last letter of the term and first letter of next term

8 .
The opposite of right is the opposite of
A)
Left
B)
Take
C)
Give
D)
Wrong

Correct Answer : Option (B) - Take

Explanation :

The opposite of right is left. The opposite of left is take. And the opposite of take is give.
 
Hence, the opposite of right is the opposite of take which is left.

9 .
Which is the third number to the left of the number which is exactly in the middle of the following sequence of numbers?
 
1  2  3  4  5  6  7  8  9  2  4  6  8  9  7  5  3  1  9  8  7  6  5  4  3  2  1
A)
2
B)
3
C)
4
D)
5

Correct Answer : Option (C) - 4

Explanation :

There are 27 numbers in the given sequence 
 
So, middle number = 14th number = 9
 
Clearly, the third number to the left of this 9 is 4

10 .
Find the two letters in the word EXTRA which have as many letters between them in the word as in the alphabet. If these two letters are arranged in alphabetical order which letter will come second?
A)
A
B)
E
C)
R
D)
X

Correct Answer : Option (B) - E

Explanation :

EXTRA
The two letters , as mentioned in the question, are E and A. We know that E comes after A in alphabetical order.

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