Explore topic-wise MCQs in Mental Ability.

This section includes 29 Mcqs, each offering curated multiple-choice questions to sharpen your Mental Ability knowledge and support exam preparation. Choose a topic below to get started.

1.

How many 6's are there in the following series each of which is immediately preceded by 5 but not immediately followed by P? 5 6 A 6 7 E 5 6 P 6 8 5 9 B 5 6 D 6 H 6 5 L 6 K 6 5 G   5 6 N 5 6 8

A. 4
B. 6
C. 7
D. 5
Answer» B. 6
2.

In a row of girls, Geetanjali is 20th from the right end and Sapna is 10th from the left end. When they interchange their positions Geetanjali becomes 25th from the right end. What is the total number of girls in the row?

A. 35
B. 44"
C. 34
D. 24
Answer» D. 24
3.

Direction: Study the following arrangement carefully and answer the questions given below. R E 5 DA P  3 T I Q 7 9 B # 2 K % U 1 M W 4 * J 8 N Which of the following is sixth to the right of '#' in the above arrangement?

A. U
B. M
C. J
D. %
Answer» C. J
4.

If it is possible to make a meaningful English word with the second, third, sixth, ninth and eleventh letters of the word PREDOMINANT, then the third letter of the word is the answer. If no meaningful word is formed, give X as your answer. If more than one words are formed, give 'Y' as your answer. (SOF IMO 2017)

A. T
B. X
C. M
D. Y
Answer» E.
5.

How many such pairs of letters are there in the word PURPOSEFUL each of which has as many letters between them in the word as there are in the English alphabet? (SOF NSO 2017)

A. One
B. Two
C. Three
D. More than three
Answer» E.
6.

Out of the six members panel sitting in a row facing the North, U is to the left of V but to the right of W, who is to the right of X and Y is at the right of Z, who is at one of the ends. Find the members sitting right in the middle. (SOF NCO 2017)

A. ZY
B. VW
C. XW
D. UV
Answer» D. UV
7.

Study the following information and answer the question that follows. Kavya, Sonam and Rachit are intelligent. Chetna, Kavya and Ajay are hard-working. Chetna, Rachit and Ajay are ambitious. Kavya, Sonam and Ajay are honest. Who among the following persons is neither hard-working nor ambitious but is honest? (SOF NSO 2017)

A. Rachit
B. Kavya
C. Ajay
D. Sonam
Answer» E.
8.

Mohit is 27th from the left end in a row of 49 boys and Samrath is 27th from the right end in the same row. How many boys are there between them in the row? (SOF NSO 2016)

A. 6
B. 3
C. 5
D. Can't be determined
Answer» C. 5
9.

All the letters which occur at odd places in the word EXCITEMENT are placed at odd places (such as first letter is placed at third place, third letter at fifth place and so on. Similarly, the letters at even places are placed. Last two letters i.e., letter at odd place is placed at first place and letter at even place is placed at second place. Now, which of the following letters will be seventh from the right end in the new arrangement?(SOF IMO 2016)

A. T
B. E
C. X
D. M
Answer» D. M
10.

If the given sequence is written in reverse order, then what will be the 6th character to the left of 5th character to the right of 10th character from the right end?  D X q ? L J # S d F 4 @ z t A e M 8 + P B 1 * Z D O 7 Y

A. @
B. z
C. F
D. 4
Answer» E.
11.

From the following words, which word will come third if all of them are arranged alphabetically as in a dictionary? Bishop, Bifocal, Bicycle, Bitter

A. Bishop
B. Bifocal
C. Bicycle
D. Bitter
Answer» B. Bifocal
12.

Two rows of numbers are given. The resultant number in each row is to be worked out separately based on the following rules and the question below the rows of numbers is to be answered. The operation on numbers progresses from left to right. Rules: If an odd number is followed by another composite odd number, they are to be multiplied. If an even number is followed by an odd number, they are to be added. If an even number is followed by a number which is a perfect square, the even number is to be subtracted from the perfect square. If an odd number is followed by an even number, the second one is to be subtracted from the first one. If an odd number is followed by a prime odd number, the first number is to be divided by the second number. 27 18 3 21 x 9 If x is the resultant of the first row, what will be the resultant of the second row?  (SOF IMO 2016)

A. 63
B. 36
C. 3
D. 16
Answer» B. 36
13.

Direction: In each of the following questions, four words are given. Which of the following words will come first, if all of them are arranged alphabetically as in a dictionary?

A. Sport
B. Spouse
C. Spark
D. Space
Answer» E.
14.

How many 2's are there in the following series which are immediately preceded by 9 but not immediately followed by 7? 7 5 2 4 2 9 7 2 9 2 5 4 2 5 7 2 9 1 2 7

A. 1
B. 2
C. 3
D. 0
Answer» B. 2
15.

Direction: In each of the following questions, arrange the given words in a meaningful sequence.1. Study2. Job 3. Examination4. Earn5. Apply 

A. 1,3,2,5,4
B. 1,2,3,4,5
C. 1,3,5,2,4
D. 1,3,5,4,2
Answer» D. 1,3,5,4,2
16.

If the day before yesterday was Thursday, then when will Sunday be?

A. Today
B. Yesterday
C. Tomorrow
D. Day after tomorrow
Answer» D. Day after tomorrow
17.

Direction: In each of the following questions, one of the words given in the options CANNOT be formed by using the letters given in the question. Find out that word. CONCENTRATE

A. TREAT
B. CONCERN
C. TRAIN
D. CENTRE
Answer» D. CENTRE
18.

Direction: The next two questions are based on the given five numbers. 248 635 432 781 605 If one's and hundred's digits are interchanged in each of the five numbers, then which number will be the largest?

A. 605
B. 781
C. 635
D. 248
Answer» E.
19.

Direction: These questions are based on the following arrangement: J Y 2 = £  x E M ¤ 7 $ H P 9 K L β @ W Q 1 3 # C D ©How many such symbols are there in the above arrangement each of which is either immediately followed by a number or immediately preceded by a letter, but not both?

A. Nil
B. One
C. Three
D. Four
Answer» D. Four
20.

Consider the following letter/number/symbol arrangement and answer the question that follows: (SOF NCO 2016)@ C F S 9 W A * X 6 9 Q J % H 8 U N 1 2 T # 4 5 7 K $What should come in the place of the question mark (?) in the following series based on the above arrangement?* 6 Q 9 J H % 8 N U 1 T ?

A. N
B. 4
C. 2
D. None of these
Answer» D. None of these
21.

Two rows of numbers are given. The resultant number in each row is to be worked out separately based on the following rules and the question below the rows of numbers is to be answered. The operations on numbers progress from left to right. Rules:  (i) If an odd number is followed by another composite odd number, they are to be multiplied.(ii) If an even number is followed by an odd number, they are to be added.(iii) If an even number is followed by a number which is a perfect square, then even number is to be subtracted from the perfect square.(iv) If an odd number is followed by a prime odd number, the first number is to be divided by the second number.(v) If an odd number is followed by an even number, the second one is to be subtracted from the first one. 10   15   514   11   pIf p is the resultant of the first row, what will be the resultant of the second row?

A. 6
B. 81
C. 5
D. 24
Answer» D. 24
22.

Two rows of numbers are given. The resultant number in each row is to be worked out separately based on the following rules and the question below the rows of numbers is to be answered. The operations on numbers progress from left to right. Rules: (i) If an odd number is followed by another composite odd number, then they are to be added. (ii) If an even number is followed by an odd number, then they are to be added. (iii) If an even number is followed by a number which is the perfect square, then the even number is to be subtracted from the perfect square. (iv) If an odd number is followed by a prime odd number, then the first number is to be divided by the second number. (v) If an odd number is followed by an even number, then the second one is to be subtracted from the first number. 24 15 3 d 6 15 If d is the resultant of the first row, then what will be the resultant of the second row? (SOF NCO 2017)

A. 37
B. 8
C. 22
D. 29
Answer» D. 29
23.

Bhavna's rank is 27th in the class from top. Preksha is 7 ranks ahead of Bhavna in the class. Preksha's rank from the last is 36th. How many students are there in the class?

A. 55
B. 63
C. 43
D. 56
Answer» B. 63
24.

On reaching the place of meeting 15 minutes before 08:30 hours, Pawan found himself half an hour earlier than the man who was 40 minutes late. What was the scheduled time of the meeting?

A. 8:00 hrs
B. 8:05 hrs
C. 8:15 hrs
D. 8:45 hrs
Answer» C. 8:15 hrs
25.

In the given question, two rows of numbers are given. The resultant number in each row is to be worked out separately based on the following rules and the question below the rows of numbers is to be answered. The operations on numbers progress from left to right. Rules: (i) If a two-digit odd number is followed by a prime number, the first number is to be multiplied by the prime number. (ii) If an even number is followed by another even number, the first number is to be divided by the second number. (iii) If an odd number is followed by a composite odd number, the first number is to be added to the second number. (iv) If an even number which is a multiple of 5 is followed by another number which is also a multiple of 5, the second number is to be subtracted from the first number. (v) If a number which is a perfect square is followed by another number which is also a perfect square, the square roots of the two numbers is to be multiplied. 60 4 11 m 15 18 If m is the resultant of the first row, what is the resultant of the second row? (SOF NCO 2016)

A. 180
B. 10
C. 165
D. 22
Answer» C. 165
26.

If the following numbers are written in descending order, then what will be the middle digit of the middle term?723, 789, 585, 659, 713, 785, 689

A. 1
B. 7
C. 8
D. 3
Answer» B. 7
27.

If the day before yesterday was Sunday, when will Thursday be?

A. Yesterday
B. Tomorrow
C. Day after tomorrow
D. Today
Answer» D. Today
28.

Direction: Study the following arrangement carefully and answer the questions given below: P 1 % T R A 5 # D M 7 K * E G 2 8 $ H 3 1 4 V U 6 F Å 9 Z If the position of the last twelve elements in the above arrangement are reversed, then which of the following will be the tenth element to the right of the eleventh from the left end?  

A. H
B. I
C. F
D. 9
Answer» D. 9
29.

Sunita ranked 13th from the top and Geeta ranked 12th from the bottom in a merit list. How many candidates were there in the list if only one candidate occured between them?

A. 25
B. 22
C. 26
D. Any one of [b] and [c]
Answer» E.