model 2 average of consecutive numbers Section-Wise Topic Notes With Detailed Explanation And Example Questions

Question : 1

The average of three consecutive odd numbers is 12 more than one third of the first of these numbers. What is the last of the three numbers ?

a) Data inadequate

b) 19

c) 17

d) 15

Question : 2

The average of 7 consecutive numbers is 20. The largest of these numbers is

a) 26

b) 24

c) 23

d) 20

Question : 3

The sum of three consecutive even numbers is 28 more than the average of these three numbers. Then the smallest of these three numbers is

a) 16

b) 14

c) 12

d) 6

Question : 4

The average of 5 consecutive integers starting with ‘m’ is n. What is the average of 6 consecutive integers starting with (m + 2) ?

a) ${2n+9}/2$

b) (n+3)

c) (n+2)

d) ${2n+5}/2$

Question : 5

If a, b, c, d, e are five consecutive odd numbers, their average is

a) a+4

b) 5(a+b+c +d+e)

c) ${abcde}/5$

d) 5(a+4)

Question : 6

What is the average of the first six (positive) odd numbers each of which is divisible by 7?

a) 49

b) 47

c) 43

d) 42