ORDER AND RANKING (General Mental Ability) UPSC EPFO

Total Questions: 30

1. Anita ranks twelfth in a class of forty six. What will be her rank from the last?

Correct Answer: (b) 35th
Solution:

Rank of Anita from the last
= [Total students – her rank from first] + 1
= (46 – 12) + 1 = 35th.

2. Rakesh ranks 7th from the top and 28th from the bottom in a class. How many students are there in the class?

Correct Answer: (a) 34th
Solution:

Total no. of students = [7 + 28] – 1 = 34th
[Rank from top + Rank from bottom – 1]

3. In a row of girls, Shilpa is eighth from the left and Reena is seventeenth from the right. If they interchange their positions, Shilpa becomes fourteenth from the left. How many girls are there in the row?

Correct Answer: (c) 30th
Solution:

Total no. of girls
= [present position of Shilpa
+ previous position of Reena] – 1
= (14 + 17) – 1 = 30

4. In a row of children, Dipa is fifth from the left and Vijay is sixth from the right. When they interchange their places among themselves, Dipa becomes thirteenth from the left. Then what will be Vijay’s position from the right ?

Correct Answer: (b) 14th
Solution:

Present postion of Vijay = Difference of the two
postions of Dipa + previous postion of Vijay
= (13 – 5) + 6 = 14th

5. Mohan is older than Prabir, Suresh is younger than Prabir. Mihir is older than Suresh but younger than Prabir. Who among the four is the youngest?

Correct Answer: (d) Suresh
Solution:

Mohan > Prabir > Suresh
Prabir > Mihir > Suresh
Hence, Mohan > Prabir > Mihir > Suresh

6. M is older than R. Q is younger than R and N. N is not as old as M. Who among M, N, R and Q is the oldest?

Correct Answer: (a) M
Solution:

R < M; Q < R, N; N < M
M > N / R > Q

7. Among five friends Mahesh is taller than Karan but not Yash. Hrithik is taller than Yash but not Abhishek. If they stand in increasing order of their heights, who will be first in line ?

Correct Answer: (c) Karan
Solution:

Yash > Mahesh > Karan
Abhishek > Hrithik > Yash
Karan < Mahesh < Yash < Hrithik < Abhishek

8. Akshay is 16th from the left end in the row of boys and Vijay is 18th from the right end. Avinash is 11th from Akshay towards the right end and 3rd from Vijay towards the right end. How many boys are there in the row?

Correct Answer: (d) None of these
Solution:Total number of boys = 41.

9. In a row of children facing North, Ritesh is twelfth from the left end. Sudhir who is twenty-second from the right end is fourth to the right of Ritesh. Total how many children are there in the row?

Correct Answer: (c) 37
Solution:Total number of children in a rowss = 12 + 4 + 22 – 1 = 37

10. Among A, B, C,D and E, A is taller than B but shorter than C. B is taller than only E. C is not the tallest. Who among them will be in the middle if they stand in the order of their heights?

Correct Answer: (a) A
Solution: