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Direction: Read the following Table carefully and answer the questions given below.

  1. The difference between the highest marks and the average marks in Hindi was maximum in which of the following years?










  1. View Hint View Answer Discuss in Forum

    Difference between highest marks and average marks in Hind = Highest marks in Hindi - Average marks in Hindi
    Solve all option one by one and compare the result.

    Correct Option: C

    Difference between highest marks and average marks in Hind = Highest marks in Hindi - Average marks in Hindi
    Solve all option one by one and compare the result.
    Option (A) in year 1994
    Difference between highest marks and average marks in Hind = Highest marks in Hindi in 1994 - Average marks in Hindi in 1994
    Difference between highest marks and average marks in Hind = 77 - 54 = 23
    Option (B) in year 1997
    Difference between highest marks and average marks in Hind = Highest marks in Hindi in 1997 - Average marks in Hindi in 1997
    Difference between highest marks and average marks in Hind = 81 - 57 = 24
    Option (C) in year 1995
    Difference between highest marks and average marks in Hind = Highest marks in Hindi in 1995 - Average marks in Hindi in 1995
    Difference between highest marks and average marks in Hind = 84 - 64 = 20
    Option (D) in year 1996
    Difference between highest marks and average marks in Hind = Highest marks in Hindi in 1996 - Average marks in Hindi in 1996
    Difference between highest marks and average marks in Hind = 82 - 66 = 16
    Option (E) in year 1993
    Difference between highest marks and average marks in Hind = Highest marks in Hindi in 1993 - Average marks in Hindi in 1993
    Difference between highest marks and average marks in Hind = 80 - 53 = 27

    By comparing the answer we can see the difference is high for the year of 1993.

  1. The difference in the average marks in History between 1994 and 1995 was exactly equal to the difference in the highest marks in Hindi between which of the following pairs of years?










  1. View Hint View Answer Discuss in Forum

    The difference in the average marks in History between 1994 and 1995 = Average marks in History in 1994 - Average marks in History in 1995

    Correct Option: A

    The difference in the average marks in History between 1994 and 1995 = Average marks in History in 1994 - Average marks in History in 1995
    The difference in the average marks in History between 1994 and 1995 = 58 - 49
    The difference in the average marks in History between 1994 and 1995 = 9
    The difference is 9.

    Calculate the difference for the given years in the given option one by one.
    After calculating the option (A) we see that 1992 and 1995 year has the same value 9.

  1. If there were 50 students in 1993, what was the total marks obtained by them in Mathematics?










  1. View Hint View Answer Discuss in Forum

    Marks obtained by students in 1993 = Average marks in Mathematics in 1993 × Number of students in 1993

    Correct Option: B

    Marks obtained by students in 1993 = Average marks in Mathematics in 1993 × Number of students in 1993
    Marks obtained by students = 60 x 50 = 3000.

Direction: Study the histogram of weight distribution of different men and answer the question.

  1. Average number of men per interval who participated in this survey is :








  1. View Hint View Answer Discuss in Forum

    Required average =sum of numbers of men per interval who participated in this survey
    total numbers of men

    Correct Option: C

    Required average =sum of numbers of men per interval who participated in this survey
    total numbers of men

    Required average =100 + 220 + 300 + 200 + 250= 1070 =214
    55

Direction: Study the following table carefully and answer the questions which follow. Number of Candidates found Eligible and the Number of Candidates Short listed for Interview for a recent Recruitment Process for 6 Posts form different states

  1. What is the average number of candidates (approximately) found eligible for Post III from all states?










  1. View Hint View Answer Discuss in Forum

    Required average =sum of the number of candidates found eligible for Post III
    total number of states

    Correct Option: E

    From above given table ,
    Number of candidates found eligible for Post III in
    State A = 5200
    State B = 8400
    State C = 7600
    State D = 2600
    State E = 3800
    State F = 4400
    State G = 6000

    ∴ Required average =sum of the number of candidates found eligible for Post III
    total number of states

    =5200 + 8400 + 7600 + 2600 + 3800 + 4400 + 6000
    7

    = 38000 = 5428.5 ≈ 5500
    7