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SSC Exam Quantitative Aptitude Study Material: A conceptual guide for Average

Jun 30, 2016 14:58 IST

    SSC is well known for the recruitment of Group ‘B’ and ‘C’ posts under the Mnistries/Departments in The Government of India. SSC organizes various examinations like Combined Graduate Level examination, Combine Higher Secondary Level, Stenographer and for SI/DP/CAPF, etc., throughout the year having almost the same Exam Pattern. The Exam paper is comprised of basically 4 subjects.

    1. General Intelligence & Reasoning
    2. English language & Comprehension
    3. Quantitative Aptitude
    4. General knowledge

    For more detail, click the link given below.

    SSC SI, CAPF & ASI Exam 2015: Exam Pattern



    SSC Combined Higher Secondary Level (10+2) Exam 2014: Exam Pattern



    SSC JHT & Hindi Pradhyapak and Sr. / Jr. Translators Exam 2014: Exam Scheme & Syllabus



    SSC Stenographer 2016: Take a look of Exam Pattern, Syllabus and Selection Procedure



    So, Jagranjosh.com has introduced a brief plan for revising topics at the time of examination. In this article, Average which sometimes appears more complicated to understand in terms of  collecting and organizing observations.


    The term Average refers to the sum of all observations divided by the total number of observations. An average is used quite regularly in our day to day life. For example, to calculate the average marks of the students, Average height of a particular group, etc. The term average is also referred to as ‘Mean’. The Basic formula to calculate the average is as follows:

    Example. What is the average of First 10 Prime numbers?

    Example. The total number of sales visits made by a Salesman in the month of June is 90. What is the Average visit he makes per day?

    Solution: Number of days in the month of June are 30

               Hence, Average Visit per day = Number of total visits / Number of total days

                                                      = 90 / 30

                                                      = 3

    So, the salesman makes 3 visits per day.

    4. The ratio between the speed of a truck, car and train is 3: 8: 12. The car moved uniformly and covered a distance of 1040 km in 13 hours. What is the average speed of the truck and the train together?

    (1) 75km/hr

    (2) 60 km/hr

    (3) 48 km/hr

    (4) Cannot be determined

    (5) None of these

    Ans: 2

    5. The circumference of a circle is twice the perimeter of a rectangle. The area of the circle is 5544 sq cm. What is the area of the rectangle if the length of the rectangle is 40cm?

    (1) 1120 sq cm

    (2) 1020 sq cm

    (3) 1140 sq cm

    (4) 1040 sq cm

    (5) None of these

    Ans: 4

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