Time Sequence


  1. In a row of boys Akash is fifth from the left and Nikhil is eleventh from the right. If Akash is twenty-fifth from the right then how many boys are there between Akash and Nikhil?











  1. View Hint View Answer Discuss in Forum

    According to question,
    In a row of boys Akash is fifth from the left
    Left 1 - 2 - 3 - 4 - Akash - 6 - 7 - 8 - 9 - 10 - 11 - 12 .................................................................................................................. Right
    If Akash is twenty-fifth from the right then
    Left 1 - 2 - 3 - 4 - Akash - 6 - 7 - 8 - 9 - 10 - 11 - 12 - 13 -14 - 15 -16 -17 -18 -19 - 20- 21- 22 - 23- 24- 25 -26 -27 -28 - 29 Right
    Nikhil is eleventh from the right.
    Left 1 - 2-3 -4 - Akash - 6 -7- 8- 9-10 -11-12- 13-14- 15 -16-17-18 - Nikhil -20-21-22 - 23 - 24 - 25-26 -27- 28- 29 Right

    Correct Option: B

    According to question,
    In a row of boys Akash is fifth from the left
    Left 1 - 2 - 3 - 4 - Akash - 6 - 7 - 8 - 9 - 10 - 11 - 12 .................................................................................................................. Right
    If Akash is twenty-fifth from the right then
    Left 1 - 2 - 3 - 4 - Akash - 6 - 7 - 8 - 9 - 10 - 11 - 12 - 13 -14 - 15 -16 -17 -18 -19 - 20- 21- 22 - 23- 24- 25 -26 -27 -28 - 29 Right
    Nikhil is eleventh from the right.
    Left 1 - 2-3 -4 - Akash - 6 -7- 8- 9-10 -11-12- 13-14- 15 -16-17-18 - Nikhil -20-21-22 - 23 - 24 - 25-26 -27- 28- 29 Right

    There are (25 – 11– 1) = 13 boys between Akash and Nikhil.


  1. If the positions of the first and the fifth digits of the number 83721569 are interchanged, similarly, the positions of the second and the sixth digits are interchanged, and so on, which of the following will be the third from the right end after the rearrangement?











  1. View Hint View Answer Discuss in Forum

    According to question,
    If the positions of the first and the fifth digits of the number 83721569 are interchanged.
    After interchange the new number = 13728569
    similarly, the positions of the second and the sixth digits are interchanged.
    Again after interchange the new number = 15728369

    Correct Option: B

    According to question,
    If the positions of the first and the fifth digits of the number 83721569 are interchanged.
    After interchange the new number = 13728569
    similarly, the positions of the second and the sixth digits are interchanged.
    Again after interchange the new number = 15728369

    New arrangement of numbers is as follows: 15728369
    Hence, third number from right end is 3.



  1. Rajnish is older than Rajesh and Raman. Ramesh is older than Rajesh but younger than Rajeev. Raman is older than Rajeev. Who among them is oldest?











  1. View Hint View Answer Discuss in Forum

    According to the question,
    Rajnish is older than Rajesh and Raman.
    Rajnish > Rajesh, Raman..........(i)
    Ramesh is older than Rajesh but younger than Rajeev.
    Rajeev > Ramesh > Rajesh........(ii)
    Raman is older than Rajeev.
    Raman >Rajeev.......................(iii)

    Correct Option: C

    According to the question,
    Rajnish is older than Rajesh and Raman.
    Rajnish > Rajesh, Raman..........(i)
    Ramesh is older than Rajesh but younger than Rajeev.
    Rajeev > Ramesh > Rajesh........(ii)
    Raman is older than Rajeev.
    Raman >Rajeev.......................(iii)
    Combining all, we get
    Rajinish > Raman > Rajeev > Ramesh > Rajesh


  1. Fifteen children are standing in a row facing north. Ravi is to the immediate left of Prabha and is eighth from the left end. Arjun is second from the right end. Which of the following statements is not true?











  1. View Hint View Answer Discuss in Forum

    According to question,
    Fifteen children are standing in a row facing north.
    Left Side Position 1st, 2nd, 3rd, 4th, 5th, 6th, 7th, 8th, 9th, 10th, 11th, 12th, 13th, 14th, 15th Right Side position
    Ravi is is eighth from the left end.
    Left Side Position 1st, 2nd, 3rd, 4th, 5th, 6th, 7th, 8th, 9th, 10th, 11th, 12th, 13th, 14th, 15th Right Side position
    ......................................................................................Ravi
    Ravi is to the immediate left of Prabha.
    Left Side Position 1st, 2nd, 3rd, 4th, 5th, 6th, 7th, 8th, 9th, ........10th, 11th, 12th, 13th, 14th, 15th Right Side position
    ......................................................................................Ravi, Prabha
    Arjun is second from the right end.
    Left Side Position 1st, 2nd, 3rd, 4th, 5th, 6th, 7th, 8th, 9th, ........10th, 11th, 12th, 13th, 14th, 15th Right Side position
    ......................................................................................Ravi, Prabha........................................Arjun

    Correct Option: D

    According to question,
    Fifteen children are standing in a row facing north.
    Left Side Position 1st, 2nd, 3rd, 4th, 5th, 6th, 7th, 8th, 9th, 10th, 11th, 12th, 13th, 14th, 15th Right Side position
    Ravi is is eighth from the left end.
    Left Side Position 1st, 2nd, 3rd, 4th, 5th, 6th, 7th, 8th, 9th, 10th, 11th, 12th, 13th, 14th, 15th Right Side position
    ......................................................................................Ravi
    Ravi is to the immediate left of Prabha.
    Left Side Position 1st, 2nd, 3rd, 4th, 5th, 6th, 7th, 8th, 9th, ........10th, 11th, 12th, 13th, 14th, 15th Right Side position
    ......................................................................................Ravi, Prabha
    Arjun is second from the right end.
    Left Side Position 1st, 2nd, 3rd, 4th, 5th, 6th, 7th, 8th, 9th, ........10th, 11th, 12th, 13th, 14th, 15th Right Side position
    ......................................................................................Ravi, Prabha........................................Arjun

    8th, 9th, 14th
    Ravi Prabha Arjun



  1. In a class of 180, when girls are twice the number of boys, Rupesh (a boy) ranked 34thfrom top. If there are 18 girls ahead of Rupesh, how many boys are after him in rank?











  1. View Hint View Answer Discuss in Forum

    Let us assume the number of boys in school be B.
    Then number of girls in school = 2B
    According to question,
    B + 2B = 180
    3B = 180
    B = 180/3 = 60
    Number of boys = 60
    Number of girls = 120
    Rupesh (a boy) ranked 34th from top and 18 girls are ahead of Rupesh.

    Correct Option: B

    Let us assume the number of boys in school be B.
    Then number of girls in school = 2B
    According to question,
    B + 2B = 180
    3B = 180
    B = 180/3 = 60
    Number of boys = 60
    Number of girls = 120
    Rupesh (a boy) ranked 34th from top and 18 girls are ahead of Rupesh.
    Number of boys after the rank of Rupesh = 60 – 16 = 44