Mental Ability - Questions

1 .
Folder is to document as envelope is to
A)
Letters
B)
Wires
C)
Money
D)
Articles

Correct Answer : Option (A) - Letters

Explanation : We know that, a folder holds documents in the same way an envelope holds letters.

2 .
In the following question, select the missing number from the given series.
 
2, 4, 13, 41, 106, ?
A)
232
B)
219
C)
191
D)
172

Correct Answer : Option (A) - 232

3 .
Shobha is the niece of Ashish. Ashish's mother is Priya. Kamla is Priya's mother. Kamla's husband is Hari. Krishna is the mother-in-law of Hari. How is Shobha related to Hari ?
A)
Daughter
B)
Grandniece
C)
Great Grandson's daughter
D)
Great Grand daughter

Correct Answer : Option (D) - Great Grand daughter

Explanation :

Shubha is the niece of Atthish means Ashish as the uncle of Shottha Now. Priyais Ashish's mother 
 
So, Priya is the grand mother of Shobha. Hari is Priya's father. So, Shobha is the great grand daughter of Hari.

4 .
In the following question, select the missing number from the given series.
 
63, 56, 50, 43, 37, 30, ?
A)
22
B)
23
C)
24
D)
25

Correct Answer : Option (C) - 24

5 .
From the given words, select the word which cannot be formed using the letters of the given word. THUMBING
A)
MIGHT
B)
THING
C)
HAUNT
D)
THUMB

Correct Answer : Option (C) - HAUNT

6 .
18 tens 20 ones =
A)
160
B)
180
C)
200
D)
1820

Correct Answer : Option (C) - 200

Explanation :

18 tens 20 ones, the given stateent can be split into :
 
* 18 tens = 18 x 10 = 180
* 20 ones = 20 x 1 = 20
 
Then add both => 180 + 20 = 200

7 .
In a certain code GUIDE is written as 49132 and BEAM is written as 8257. How is IMAGE written in that code?
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

8 .
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.

9 .
A plane is an undefined term because it
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.

10 .
Legend : Story : : Merlin : ?
A)
Hawk
B)
Crow
C)
Eagle
D)
Parakeet

Correct Answer : Option (A) - Hawk

Explanation : First is a type of second.

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