Ordering Problems - Questions and Solved Examples - Quantitative Aptitude Quiz

Questions and Solved Examples on Ordering

  • In a class of 90 students, numbers of boys are twice the number of girls. Rani is 58th from the left end and there are 20 boys to the right of Rani, then the number of girls to the left of Rani?
    A. 15
    B. 16
    C. 17
    D. 19

  • Answer: C. 17
    Number of boys = 60 and girls are = 30
    (57 students) Rani (20 boys) (12 girls)
    So, number of girls to the left of Rani = 30 – 12 - 1 = 17

  • In a row of 25 girls, when Neha was shifted by four places towards the left, she become 10th from the left end. What was her earlier position from the right end of the row?
    A. 10th
    B. 11th
    C. 12th
    D. 13th

  • Answer: C. 12th
    (9 students) Neha *** (initial position) (11 students)

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  • In a queue, P is seventeenth from the front while Q is nineteenth form the last. If R is twenty forth from the front and is exactly in the middle of P and Q. Then find the number of people in the queue.
    A. 47
    B. 48
    C. 49
    D. 50

  • Answer: C. 49
    (16 people) P and  Q (18 people).
    Since R is exactly in the middle and also 24th from the front.
    So, number of people between P and R is 6.
    Similarly, between R and Q is 6.
    So total people  = 16 + P + 6 +R + 6 + Q+ 18 = 49

  • If A ranks seventh in the class. B is tenth from the last. If P is fifth after A and just in the middle of A and B, then how many students are there in the class?
    A. 24
    B. 26
    C. 28
    D. 30

  • Answer: B. 26
    (6 students) A (4 Students) P (4 students) B (9 students) = 26
  • In a row facing north, A is tenth to the left of B, who is 19th from the right end. If C who is 16th from the left end, is fourth to the right of A, how many girls are there in the row?
    A. 38
    B. 40
    C. 42
    D. 44

  • Answer: B. 40
    (11 girls) A *** C (5 girls) B (18 girls) = 40

  • A is eight from the left end and B is sixteenth from the right end. C who is fourth to the right of A is sixth to the left of B. Find the total number of people in the row.
    A. 31
    B. 32
    C. 33
    D. 34

  • Answer: C. 33
    (7 people) A – – –  C – – – – – B (15 people) = 33

  • A is shorter than B but taller than C. D is taller than A. E is shorter than C. Who amongst the following is the tallest?
    A. A
    B. B
    C. D
    D. Either B or D

  • Answer: D. Either B or D
    B, D > A > C > E (we can’t say anything about B and D)
  • In a group of 6 students P, Q, R, S, T and U each one having different height. P is taller than T but not as tall as U. Q and U are not the tallest and also R is the shortest. Who is the tallest among them?
    A. P
    B. Q
    C. S
    D. U

  • Answer: C. S
    S > (Q, U) > P > T > R

  • There are 40 students in the class. Priya ranks 6th in the class among the girls and pankaj ranks 5th among the boys in the class. Priya is 2 ranks below pankaj in the class. Find the rank of pankaj in the class.
    A. 8
    B. 9
    C. 10
    D. 11

  • Answer: B. 9
    GGGGG Priya and BBBB Pankaj.
    (4 boys and 4 girls above Pankaj) Pankaj * Priya, so rank is 9th

  • In a rows of students, P is 12th from the left end and Q is 16th from the right end. If they interchange their position then Q becomes 23rd from the right end. Find the number of students in the row.
    A. 32
    B. 33
    C. 34
    D. 35

  • Answer: C. 34
    S (11 students) P ……… Q (15 students).
    After they interchange their position,
    11 students Q (22 students);
    So, total students = 11 + 1 + 22 = 34