It is known that the index of total industrial production in 1994 was 50 percent more that in 1989. Then, the percentage increase in production between 1989 and 1994 in sectors other than the four listed above is
Explanation:
If total industrial production in 1989 is 100, then in 1994 it is 150.
From the previous question,
Contribution of 4 sectors in 1989 = 60
Contribution of 4 sectors in 1994 = 74.2
∴ Contribution from other sectors in 1989 = 100 – 60 = 40
∴ Contribution from other sectors in 1994 = 150 – 74.2 = 75.8
∴ Percentage increase = 75.8-4040 × 100 = 89.5%
Hence, option (b).
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