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SSC Constable GD Exam Elementary Mathematics Study Material

Digitization help student to explore and study their academic courses online, as this gives them flexibility and scheduling their learning at their convenience. Kidsfront has prepared unique course material of Elementary Mathematics Averages for SSC Constable GD Exam student. This free online Elementary Mathematics study material for SSC Constable GD Exam will help students in learning and doing practice on Averages topic of SSC Constable GD Exam Elementary Mathematics. The study material on Averages, help SSC Constable GD Exam Elementary Mathematics students to learn every aspect of Averages and prepare themselves for exams by doing online test exercise for Averages, as their study progresses in class. Kidsfront provide unique pattern of learning Elementary Mathematics with free online comprehensive study material and loads of SSC Constable GD Exam Elementary Mathematics Averages exercise prepared by the highly professionals team. Students can understand Averages concept easily and consolidate their learning by doing practice test on Averages regularly till they excel in Elementary Mathematics Averages.

Averages

Find the average of 20 consecutive integers starting from 30.

a) 39.5
b) 55.5
c) 89.5
d) 100.5

✔Answer

Correct Answer Is : 39.5

Solution Is :

Average of a set of 5 numbers is 40. If 2 numbers are added to this, the average increases by 10. What is the average of the two added number?

a) 105
b) 75
c) 55
d) 43

✔Answer

Correct Answer Is : 75

Solution Is :

Rahul calculated average of 20 numbers and found it to be 75.He was about to mark the answer option but he realised that he has misread 97 as 79.he corrected the average. What was the actual average ?

a) 75.9
b) 100.3
c) 65.7
d) 133

✔Answer

Correct Answer Is : 75.9

Solution Is :

In a class ,there are two sections A and B.The average weight of 35 students of section A is 48 and that of 30 students of section B is 45.Find the average weight of whole class.

a) 46 × 8/13
b) 48 × 8/13
c) 109 × 8/13
d) 89 × 8/13

✔Answer

Correct Answer Is : 46 × 8/13

Solution Is :

If a man of 60 Kg is replaced with another man , then the average weight of 25 men is increased with 1Kg . What is the weight of new person?

a) 50 Kg
b) 61 Kg
c) 86 Kg
d) 85 Kg

✔Answer

Correct Answer Is : 85 Kg

Solution Is :

Average weight of A ,B and C is 35 year. If average age of A and B is 30 years and that of B and C is 33 years, then the age of B:

a) 21 years
b) 23 years
c) 19 years
d) 25 years

✔Answer

Correct Answer Is : 21 years

Solution Is :

A cricketer whose bowling average is 24 runs per wicket takes 10 wickets for 40 runs and thereby decrease his average by 4.The number of wickets taken by him till the last match was :

a) 48
b) 44
c) 35
d) 40

✔Answer

Correct Answer Is : 40

Solution Is :

In a class, the average age of students is 24 years. The average age of boys is 30 years. If the ratio of numbers of boys and girl is 2:1, then find the average age of girls after 6 years.

a) 12 years
b) 14 years
c) 16 years
d) 18 years

✔Answer

Correct Answer Is : 18 years

Solution Is :

Find the average of all composite numbers from 1 to 20.

a) 11 × 1/6
b) 20 × 1/6
c) 91 × 1/6
d) 10 × 1/6

✔Answer

Correct Answer Is : 11 × 1/6

Solution Is :

The average marks obtained in maths by 28 a students is 50.8 students dropped the school and then the average marks obtained by the remaining students increase by 5. What is the average marks obtained by the students which dropped the school ?

a) 50.5
b) 37.5
c) 42.5
d) 45

✔Answer

Correct Answer Is : 37.5

Solution Is :

❏Computer Practice +

❏English Practice +

❏General Knowledge Practice +

❏Logical Reasoning Practice +

❏Quantitative Aptitude Practice +

SSC Constable GD Exam Elementary Mathematics Study Material

Averages

Find the average of 20 consecutive integers starting from 30.

Correct Answer Is : 39.5

Solution Is :

Average of a set of 5 numbers is 40. If 2 numbers are added to this, the average increases by 10. What is the average of the two added number?

Correct Answer Is : 75

Solution Is :

Rahul calculated average of 20 numbers and found it to be 75.He was about to mark the answer option but he realised that he has misread 97 as 79.he corrected the average. What was the actual average ?

Correct Answer Is : 75.9

Solution Is :

In a class ,there are two sections A and B.The average weight of 35 students of section A is 48 and that of 30 students of section B is 45.Find the average weight of whole class.

Correct Answer Is : 46 × 8/13

Solution Is :

If a man of 60 Kg is replaced with another man , then the average weight of 25 men is increased with 1Kg . What is the weight of new person?

Correct Answer Is : 85 Kg

Solution Is :

Average weight of A ,B and C is 35 year. If average age of A and B is 30 years and that of B and C is 33 years, then the age of B:

Correct Answer Is : 21 years

Solution Is :

A cricketer whose bowling average is 24 runs per wicket takes 10 wickets for 40 runs and thereby decrease his average by 4.The number of wickets taken by him till the last match was :

Correct Answer Is : 40

Solution Is :

In a class, the average age of students is 24 years. The average age of boys is 30 years. If the ratio of numbers of boys and girl is 2:1, then find the average age of girls after 6 years.

Correct Answer Is : 18 years

Solution Is :

Find the average of all composite numbers from 1 to 20.

Correct Answer Is : 11 × 1/6

Solution Is :

The average marks obtained in maths by 28 a students is 50.8 students dropped the school and then the average marks obtained by the remaining students increase by 5. What is the average marks obtained by the students which dropped the school ?

Correct Answer Is : 37.5

Solution Is :

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