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Mental Ability - Questions
A)
15742
B)
17542
C)
18542
D)
27541

Correct Answer : Option (B) - 17542


Explanation :

Look at the following table which shows the letters and their respective codes :
 
Letter     A     B     D     E     G     I     M     U     
 
Code       5     8     3     2     4     1     7     9
 
Therefore, the code for IMAGE is 17542

2 .
Directions : For the Assertion (A) and Reason (R) below, choose the correct alternative 
Assertion(A) :    Increase in carbon dioxide would melt polar ice. 
Reason (R)   :    Global temperature would rise
A)
Both A and R are true but R is NOT the correct explanation of A.
B)
Both A and R are true and R is the correct explanation of A.
C)
A is true but R is false.
D)
A is false but R is true.

Correct Answer : Option (B) - Both A and R are true and R is the correct explanation of A.


Explanation : The carbon dioxide envelope in earth's atmosphere traps the heat. With increase in the proportion of carbon dioxide, therefore, the global temperature would rise, thus causing the polar ice to melt.

A)
is where other geometric shapes can be constructed
B)
can be named using three noncollinear points
C)
is a flat surface that extends indefinitely in all directions
D)
is described generally, not using a formal definition

Correct Answer : Option (D) - is described generally, not using a formal definition


Explanation :

In geometry, we can define plane as a flat surface with no thickness.
The surface extends with no ends.
A plane does not have any edges even if we draw it on paper with edges, it does't mean it has edges.
Hence, A plane is an undefined term because it is described generally, not using a formal definition.

A)
Hawk
B)
Crow
C)
Eagle
D)
Parakeet

Correct Answer : Option (A) - Hawk


Explanation : First is a type of second.

A)
+ and ÷
B)
+ and ­-
C)
­- and ÷
D)
+ and x

Correct Answer : Option (C) - ­- and ÷


A)
10
B)
11
C)
12
D)
13

Correct Answer : Option (A) - 10


7 .
If P means '÷', Q means '+', R means '-' and S means 'x', then the value of
 
10 R 192 P 48 S 48 P 96 Q 1
A)
6
B)
7
C)
8
D)
9

Correct Answer : Option (D) - 9


A)
BHF
B)
OKG
C)
LDJ
D)
ZTY

Correct Answer : Option (B) - OKG


Explanation :

OKG
Remaining all are not in series
only OKG is in series of(15,11,7)
 
Here it follows the random difference of '4'.

A)
2
B)
6
C)
62
D)
620

Correct Answer : Option (D) - 620


Explanation :

Here in the question it is asked that 62 tens, which implies ten times of 62.

* 62 x 10 = 620.

Hence, the value of 62 tens = 620.

A)
F
B)
M
C)
P
D)
X

Correct Answer : Option (C) - P


Explanation :

A is the brother of F who is the daughter of D. So, A is the son of D, P is the brother of D. 
 
So, P is the uncle of A