Aptitude and Reasoning Mental Ability Questions and Answers

1 .

Ramana ranked 9th from the top and 38th from the bottom in a class. How many students are there in the class ?

A)

45

B)

48

C)

47

D)

46

Correct Answer : Option (D) - 46

Explanation : Number of students in class = (8 + 1 + 37) = 46

2 .

Grass : Erosion :: Dam : ?

A)

Rain

B)

Water

C)

Current

D)

Freeze

Correct Answer : Option (B) - Water

Explanation :

Here Grass is to Erosion and whereas Dam is to Water.

Since Grass prevents Erosion similarly Dam prevents Water flow.

3 .

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

If the second half of the English alphabet is reversed then which letter will be 4th to the right of 20th letter from the right?

A)

E

B)

F

C)

K

D)

U

Correct Answer : Option (C) - K

Explanation :

4th to the right of 20th letter from the right means (20 - 4 =) 16th from the right.

16th letter from the right = (26 - 16 + 1 =) 11th from the left, i.e K

4 .

Vaunt : Flaunt :: Disparate : ?

A)

Contrast

B)

Alike

C)

Similar

D)

Homogenous

Correct Answer : Option (A) - Contrast

Explanation :

Vaunt - Vaunt means to boast or to praise about something excessively.

Flaunt - Flaunt also means to boast about something or to praise something.

Flaunt is the synonym of the word Vaunt.

Disparate - Disparate means essentially different in its kind or unlike or not able to be compared.

Then the required word is the synonym of Disparate.

Here in the given options, Contrast is the only word which is similar in meaning of Disparate.

Hence, Vaunt : Flaunt :: Disparate : Contrast.

5 .

There are six persons A. B, C, D, E and F. C is the sister of F. B is the brother of E's husband. D is the father of A and grandfather of F. There are two fathers, three brothers and a mother in the group. Who is the mother ?

A)

E

B)

C

C)

B

D)

A

Correct Answer : Option (A) - E

Explanation :

D is father of A and grandfather of F. So, A is father of F.

Thus. D and A are the two fathers. C is the sister of F So. C is the daughter of A.

Since there is only one mother, it is evident that E is the wife of A and hence the mother of C and F.

So, B is brother of A There are three brothers. So. F is the brother of C.

Clearly, A is E's Husband.

6 .

If Z = 52 and ACT = 48, then BAT will be equal to

A)

36

B)

39

C)

46

D)

49

Correct Answer : Option (C) - 46

Explanation :

In the given code, A = 2, B = 4, C = 6,.... , Z = 52.

So, ACT = 2 + 6 + 40 = 48 and BAT = 4 + 2 + 40 = 46

7 .

Pointing to a person, a man said to a woman, "His mother is the only daughter of your father." How was the woman related to the person ?

A)

Wife

B)

Mother

C)

Daughter

D)

Aunt

Correct Answer : Option (D) - Aunt

8 .

B M N G O P C Q R H S T F L U V W X Y A K Z D I E J

Counting from left if it is possible to make a meaningful word from the third and fifth letters from left, using each at least twice and third letter from right in sequence, only once , write the first letter of the word as your answer. If more than one such word can be formed write "M" as your answer, and if no word can be formed write 'X' as your answer.

A)

I

B)

M

C)

X

D)

O

Correct Answer : Option (D) - O

Explanation :

Specified letters from the left are N and O , and the letter from the right is I.

with these letters, according to the conditions given in the question , one Word ONION can be formed. Clearly , first letter of this word is O.

9 .

In a certain code language COMPUTER is written as RFUVQNPC. How will MEDICINE be written in that code language?

A)

EOJDEJFM

B)

EOJDJEFM

C)

MFEDJJOE

D)

MFEJDJOE

Correct Answer : Option (B) - EOJDJEFM

Explanation :

There are 8 letters in the word.

The coded word can be obtained by taking the immediately following letters of word, expect the first and the last letters of the given word but in the reverse order. That means, in the coded form the first and the last letters have been interchanged while the remaining letters are coded by taking their immediate next letters in the reverse order.

10 .

What is the next number of the following sequence ? 21, 77, 165, 285, ......

A)

437

B)

426

C)

415

D)

401

Correct Answer : Option (A) - 437

Explanation :

The series follow the rule :

21 = 5²-4

77 = 9²−4

165 = 13²−4

285 = 17²−4

5,9,13,17,21,(+4)...

In the same way next no. will be

21²−4 = 441 - 4 = 437