model 2 average of consecutive numbers Practice Questions Answers Test with Solutions & More Shortcuts

Question : 26 [SSC CHSL 2011]

a, b, c, d, e, f, g are consecutive even numbers. j, k, l, m, n are consecutive odd numbers. The average of all the numbers is

a) $({j+c+n+g}/4)$

b) $({a+b+m+n}/4)$

c) $({l+d}/2)$

d) 3$({a+n}/2)$

Question : 27 [SSC CPO 2006]

The average of 5 consecutive natural numbers is m. If the next three natural numbers are also included, how much more than m will the average of these 8 numbers be?

a) 1.5

b) 1.4

c) 1

d) 2

Question : 28 [SSC CHSL 2010]

The average of seven consecutive positive integers is 26. The smallest of these integers is :

a) 26

b) 25

c) 23

d) 21

Question : 29 [SSC Constable 2013]

The average of first ten prime numbers is

a) 13

b) 12.9

c) 10

d) 10.1

Question : 30 [SSC CGL Tier-I 2015]

The average of 6 consecutive natural numbers is K. If the next two natural numbers are also included, how much more than K will the average of these 8 numbers be?

a) 1.8

b) 2

c) 1

d) 1.3