SSC Multi Tasking (Non-Technical) Staff 2021 MCQ – Numerical Aptitude – Average

The term ‘average’ refers to the ‘middle’ or ‘central’ point. When used in mathematics, the term refers to a number that is a typical representation of a group of numbers (or data set). Averages can be calculated in different ways.

Mean – The mathematical symbol or notation for mean is ‘x-bar’. This symbol appears on scientific calculators and in mathematical and statistical notations.

Median- The Median is the middle number in a list of sorted numbers.

Mode – The Mode is the most frequently-occurring value in a set of values.  The mode is interesting as it can be used for any type of data, not just numbers.

SSC Multi Tasking (Non-Technical) Staff 2021 MCQ – Numerical Aptitude – Average Set A

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SSC Multi Tasking (Non-Technical) Staff 2021 MCQ - Numerical Aptitude - Average Set A

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A person covers half his journey by train at 60 km/h, half the remainder by bus at 30 km/h and the rest by cycle at 10 km/h. find his average speed during the entire journey

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A person covers half his journey by train at 60 km/h, half the remainder by bus at 30 km/h and the rest by cycle at 10 km/h. find his average speed during the entire journey

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The average of 5 numbers is 7. When 3 new numbers are added, the average of the eight numbers is 8.5. the average of three new numbers is

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Five years ago, the average age of A,B,C and D was 45 yr. with E joining them now,the average of all the five is 49 yr. how old is E?

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The average weight of 9 mangoes increases by 20 g if one of them weighing 120g is replaced by another. The weight of new mango is

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Five years ago, the average age of P and Q was 15 yr. Average age of P,Q and R today is 20 yr. how old will R be after 10 yr ?

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The average age of a class is 15.8 yr. the average age of the boys in the class is 16.4 yr while that of the girls is 15.4 yr. what is the ratio of boys to girls in the class?

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The average of 11 observations is 60. If the average of first five observations is 58 and that of the last five is 56, then the sixth observation is

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The average of 50 numbers is 38. If two numbers, namely 45 and 55 are discarded, the average of remaining numbers is

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The average age of 30 students is 9 yr. If the age of their teacher is included, it becomes 10 yr. the age of the teacher (in yr) is

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SSC Multi Tasking (Non-Technical) Staff 2021 MCQ – Numerical Aptitude – Average Set B

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SSC Multi Tasking (Non-Technical) Staff 2021 MCQ - Numerical Aptitude - Average Set B

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With an average speed of 40 km/h, a train reaches its destination in time. If it goes with an average speed of 35 km/h, it is late by 15 minutes. The length of the total journey is –

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The average of ten numbers is 7. If each number is multiplied by 12, then the average of the new set of numbers is

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Find the average of the first 97 natural numbers.

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The average age of a group of men is increased by 5 years when a person aged 18 years is replaced by a new person of aged 38 years. How many men are there in the group?

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If we take four numbers, the average of the first three is 16 and that of the last three is 15. If the last number is 18, the first number is

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The average temperature on Monday, Tuesday and Wednesday was 41 °C and on Tuesday, Wednesday and Thursday it was 40 °C. If on Thursday it was exactly 39 °C, then on Monday, the temperature was

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The average age of 8 persons in a committee is increased by 2 years when two men aged 35 years and 45 years are substituted by two women. Find the average age of the two women.

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The average age of 24 students and the principal is 15 years. When the principal’s age is excluded, the average age decreases by 1 year. What is the age of the principal?

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The average of x, y and z is 45. x is as much more than the average as y is less than the average. Find the value of z.

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The average of 8 numbers is 12. If each number is increased by 2, the new average will be

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SSC Multi Tasking (Non-Technical) Staff 2021 MCQ – Numerical Aptitude – Average Set C

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SSC Multi Tasking (Non-Technical) Staff 2021 MCQ - Numerical Aptitude - Average Set C

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30 oranges and 75 apples were purchased for Rs 510. If the price per apple was Rs 2, then the average price of oranges was

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The average of ten numbers is 7. If each number is multiplied by 12, then the average of the new set of numbers is

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The age of Shaurya and Kauravki is in the ratio 2 : 6. After 5 years, the ratio of their ages will become 6 : 8. Find the average of their ages after 10 years.

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The average age of 30 students of a class is 12 yr. The average age of a group of 5 of the students is 10 yr and that of another group of 5 of them is 14 yr. what is the average age of the remaining students ?

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The average weight of 29 students is 28 kg. by the admission of a new student, the average weight is reduced to 27.8 kg. The weight of the new student is

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The average of marks of a student in 7 subjects is 75. His average in 6 subjects excluding science is 72. How many marks did he get in science ?

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Three years ago, the average age of a family of 5 members was 17 yrs. A baby having been born, the average age of the family is the same today. The present age of the baby is

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A man spends Rs 1800 monthly on an average for the first four months and Rs 2000 monthly for the next eight months and saves Rs 5600 a year. His average monthly income is

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The average of 100 observations was calculated as 40. It was found later on that one of the observations was misread as 83 instead of 53. The correct average is

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In seven given numbers, the average of first four numbers is 4 and that of last four numbers is also 4. If the average of these seven numbers is 3, the fourth number is

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A motorist travels to a place 150 km away at an average speed of 50 km/h and returns at 30 km/h. his average speed for the whole journey in km per h is

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