Question

Income and expenditure ( in thousands ) of a company in seven years.
Q. What is the ration between the average income and average expenditure of the company over the years.

• A. 651:517
• B. 661:517
• C. 113:115
• D. 121:119
• E. None of these

Answer 1

The correct option is A 651:517

Average income $=\frac{660+360+720+780+480+820+740}{7}$
= 651000
Average expenditure $=\frac{420+620+420+400+700+580+480}{7}$
= 517000
Required ratio
651000:517000
651:517