1.  What was the difference between the average exports of the three Companies in 1993 and the average exports in 1998?
A. ₹ 15.33 crores
B. ₹ 18.67 crores
C. ₹ 20 crores
D. ₹ 22.17 crores

Answer: Option C

Explanation:

Average exports of the three Companies X, Y and Z in 1993

    = ₹[1x (30 + 80 + 60)]crores = ₹(170)crores.
33

Average exports of the three Companies X, Y and Z in 1998

    = ₹[1x (50 + 100 + 80)]crores = ₹(230)crores.
33

Difference
= ₹[(230)-(170)]crores
33
= ₹(60)crores
3
= ₹ 20 crores.