Average · SSC CGL previous year questions

The average weight of 10 students is increased by half a kg when one of the students weighing 51 kg is replaced by a new student. Find the weight of the new student.

1. A.45 kg
2. B.56 kg
3. C.66 kg
4. D.75 kg

Find the average of first 125 natural numbers.

1. A.63.5
2. B.62
3. C.63
4. D.62.5

The average of the squares of the first 47 natural numbers is:

1. A.759
2. B.761
3. C.762
4. D.760

The number of three different types of cars, X, Y, and Z, manufactured by a company over three years is given in the below table. Study the table carefully and answer the question that follows. Cars/Years 2020 2021 2022 X 2560 3201 3551 Y 2250 2802 3020 Z 2750 2550 2600 What is the average number of cars manufactured by the company in the year 2022?

1. A.3227
2. B.2851
3. C.3057
4. D.2720

The table shows the production of different types of bikes (in thousands). The number of years, in which the production of bikes of type C is less than the average production of type A bikes over the years is

1. A.4%
2. B.2%
3. C.1%
4. D.3%

A group of 30 students appeared in a test. The average score of 12 students is 62, and that of the rest is 76. What is the average score of the group?

1. A.71.4
2. B.70.4
3. C.69.4
4. D.68.4

The below table gives shares traded on Hyderabad, Mumbai, and Bengaluru stock exchanges (in ₹). Study the table and answer the question that follows. Hyderabad Mumbai Bengaluru Name of the company High Low High Low High Low A 150 140 180 165 160 155 B 250 225 325 315 300 290 C 180 175 195 180 190 185 D 350 325 410 395 390 375 For C, the low rates of shares are less than the average of the low rates of shares of the same company, in the stock exchange(s) at ______.

1. A.Hyderabad
2. B.Bengaluru
3. C.Mumbai
4. D.Hyderabad and Mumbai

The given bar graph shows the turnover of five companies (in crores). What is the difference between the average sales turnover of all the companies put together between the years 2018-2019 and 2019-2020?

1. A.₹5 crore
2. B.₹2 crore
3. C.₹3.5 crore
4. D.₹6.5 crore

A class of 30 students appeared in a test. The average score of 12 students is 62, and that of the rest is 72. What is the average score of the class?

1. A.67
2. B.68
3. C.66
4. D.69

The average of 12 numbers is 48. The average of the first 5 numbers is 45 and the average of the next 4 numbers is 52. If the 10th number is 10 less than the 11th number and is 5 more than the 12th number, then the average of the 11th and 12th numbers is:

1. A.48.5
2. B.47.5
3. C.46.5
4. D.50.5

Study the given table and answer the question that follows. The given table shows the production of different types of refrigerators in a company. In which of the given year(s) was the production of B type refrigerator closest to its average production over the given years?

1. A.Both 2012 and 2013
2. B.Both 2013 and 2015
3. C.Only 2012
4. D.2014

The average of the squares of the first 46 natural numbers is

1. A.730.5
2. B.727.5
3. C.729.5
4. D.728.5

A group of 30 students appeared in a test. The average score of 12 students is 62, and that of the rest is 62. What is the average score of the group?

1. A.60
2. B.63
3. C.62
4. D.61

The below table gives the marks out of 100 obtained by five students in four different subjects in an examination. Study the table and answer the question that follows. Student/subject Mathematics Physics Biology English Suresh 70 80 65 60 Ramesh 85 70 70 55 Ankith 90 80 60 65 Ranjith 95 70 65 60 Aryan 75 65 65 70 What are the average marks obtained by all five students in Mathematics?

1. A.85
2. B.83
3. C.84
4. D.80

The following bar graph shows the circulation growth of a magazine ABC from July 2022 to December 2022. During October to December, there was an even growth rate, the average of which is ______ (correct up to one decimal place).

1. A.3.2%
2. B.2.4%
3. C.3.8%
4. D.2.9%

Find the average of the prime numbers lying between 50 and 76.

1. A.64
2. B.60
3. C.66
4. D.62

A class of 30 students appeared in a test. The average score of 12 students is 62, and that of the rest is 74. What is the average score of the class?

1. A.67.2
2. B.68.2
3. C.69.2
4. D.70.2

The table given here represents the distance (in km) travelled by two athletes X and Y in the same direction: Hour Distance Travelled by X (km) Distance Travelled by Y (km) 1st 25 30 2nd 35 45 3rd 25 40 4th 20 30 5th 25 20 6th 20 15 Y's average speed (km/hour) during the first five hours is:

1. A.31
2. B.34
3. C.32
4. D.33

A bus travels $\frac{1}{3}$ of the distance initially at a speed of 40 km/h, the next $\frac{1}{3}$ of the distance 50 km/h, and the final $\frac{1}{3}$ of the distance at 60 km/h. Find the average speed of the bus for the entire journey. (Rounded off to two decimal places)

1. A.48.65 km/h
2. B.54.13 km/h
3. C.51.43 km/h
4. D.46.85 km/h

Study the given table and answer the question that follows. The given table shows the production of three types of cars (A, B and C) manufactured (in thousands) by an automobile company over the years. Year A B C 2015 840 680 890 2016 900 750 960 2017 760 620 1000 2018 800 540 1200 For all the years from 2015 to 2018, the average production of B-type cars is how much less (in thousands) than that of the combined average production of A-type and C-type cars?

1. A.271.25
2. B.284.55
3. C.238.5
4. D.314.75

The given bar graph shows the production of bikes by a company (in thousands) over the years. In how many of the given years was the production of bikes more than the average production of bikes over the years?

1. A.2 years
2. B.1 year
3. C.4 years
4. D.3 years

The average of the squares of the first 45 natural numbers is:

1. A.699.67
2. B.697.67
3. C.696.67
4. D.698.67

Study the given table and answer the question that follows. The given table shows the production of T-shirts by four companies i.e., C1, C2, C3 and C4 over the four years. Which company had the maximum average production of T-shirts during these four years?

1. A.C4
2. B.C1
3. C.C2
4. D.C3

In a class of 60 students, there are 35 boys. The average weight of boys is 42 kg and the average weight of the full class is 46.5 kg. Find the average weight of girls in the class.

1. A.48.7 kg
2. B.49.7 kg
3. C.52.8 kg
4. D.56.7 kg

A cyclist rides 20 km in 120 minutes and rides another 25 km in 150 minutes. What is the average speed of the cyclist, in km/h?

1. A.15
2. B.11
3. C.10
4. D.12.5