Question

In which of the following pairs of companies the difference between average production for the years 2008 and 2009 is minimum?

• A. A and B
• B. B and C
• C. B and D
• D. E and D
• E. None of these

Answer 1

The correct option is D E and D

Required difference
A and B $=\frac{(65+70)-(65+50)}{2}=10Lakhtonnes$

B and C $=\frac{(65+70)-(50+45)}{2}=\frac{135-95}{2}=\frac{40}{2}=20Lakhtonnes$

B and D $=\frac{(80+75)-(65+70)}{2}=\frac{155-135}{2}=10Lakhtonnes$

E and D $=\frac{170-(80+75)}{2}=\frac{170-155}{2}=7.5Lakhtonnes$