model 8 find monthly income Section-Wise Topic Notes With Detailed Explanation And Example Questions

Question : 1

The average expenditure of a man for the first five months is Rs.1200 and for the next seven months is Rs.1300. If he saves Rs.2900 in that year, his monthly average income is :

a) Rs.1400

b) Rs.1700

c) Rs.1600

d) Rs.1500

Question : 2

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

a) Rs.2600

b) Rs.2400

c) Rs.2200

d) Rs.2000

Question : 3

Average income of ‘A’ and ‘B’ is Rs.200 and average income of ‘C’ and ‘D’ is Rs.250. The average income of A, B, C and D is

a) Rs.225

b) Rs.200

c) Rs.125

d) Rs.106.25

Question : 4

The average salary of all the workers in a workshop is Rs.8,000. The average salary of 7 technicians is Rs.12,000 and the average salary of the rest is Rs.6,000. The total number of workers in the workshop is

a) 23

b) 22

c) 21

d) 20

Question : 5

The average monthly income of X and Y is Rs.5050. The average monthly income of Y and Z is Rs.6250 and the average monthly income of X and Z is Rs.5200. The monthly income of X is :

a) Rs.5000

b) Rs.4000

c) Rs.3500

d) Rs.4050

Question : 6

The average salary of all the associates in a team is Rs. 16000. The average salary of 7 senior associates is Rs. 24000 and the average salary of the rest is Rs. 12000. How many associates work in that team?

a) 24

b) 23

c) 22

d) 21