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Question:

Of the following statements which is not true?

Explanation:

Option 1 is true as Spain has the best efficiency in 2000.

Consider option 2:

Emergency of Far East operation in 1999 = $\frac{301}{204}\approx$ 1.5

Emergency of Far East operation in 2000 = $\frac{603}{311}\approx$ 2 

Efficiency has improved from 1999 to 2000.

∴ Option 2 is true.

Consider option 3:

Efficiency of Northern Sea operation in 1998 = $\frac{78}{52}$ = 1.5

Efficiency of Northern Sea operation in 1999 = $\frac{140}{65}$ = 2.2

Efficiency has improved from 1998 to 1999.

∴ Option 3 is true.

Consider option 4:

Option 4 is false as in the year 1998, the operations in the Rest of the World was the least efficient.

Hence, option (d).