# Study The Diagram and Answer The Question Numbers A to D.

A. In how many months in 2012, the consumption of electric units was more than the average units consumption in that year?

- 3
- 4
- 5
- 2

B. The total units consumption in the year 2013 during these 5 months, in respect of the same in the previous year has been:

- decreased by 2.27%
- increased by 2.22%
- found unaltered
- increased by 2.27%

C. The maximum difference in the units consumption between these two years has been found in the months of:

- August
- October
- November
- July

D. The average electric consumption by the family during these 5 months in 2013 is:

- 400 units
- 440 units
- 450 units
- 470 units

**A. Answer : (4) 2.**

**Explanation:- **The sum of unit consumption in 2012 = 600 + 700 + 400 + 300 + 200

= 2200

Then, the average of unit consumption in 2012 = 2200/5

= 440

2 months in 2012, the consumption of electric units was more than the average units consumption in that year.

Hence, the answer is (4) 2.

**B. Answer: **

**Explanation: – **The total units consumption in the year 2012 = 600 + 700 + 400 + 300 + 200

= 2200

**The total units consumption in the year 2013 = 550 + 500 + 400 + 350 + 450**

= 2250

Increase consumption = 2250 – 2200

= 50

Increase in percent = 50 x 100/2200

= 2.27 %

Hence, the answer is (4) 2.27 %.

**C. Answer: (3) November**

**Explanation:- **The maximum difference in the units consumption between these two years has been found in November = 450 – 200

= 250

Hence, the answer is (3) November.

**D. Answer: (3) 450 units**

**Explanation:- **The sum of electric consumption by the family during these 5 months in 2013 = 550 + 500 + 400 + 350 + 450

= 2250

Then, the average of electric consumption by the family during these 5 months in 2013 = 2250/5

= 450

Hence, the answer is (3) 450 units.