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1. Study the following table which shows the amount of money invested (Rupees in crore) in the core infrastructure areas of two districts. A and B of a State, and answer the below five questions.

District A District B

Core Area 1995 1996 1995 1996

Electricity
Chemical
Thermal
Solar
Nuclear 815.2
389.5
632.4
468.1
617.9 1054.2
476.7
565.9
589.6
803.1 2065.8
745.3
1232.7
1363.5
1674.3 2365.1
986.4
1026.3
1792.1
2182.1

Total 2923.1 3489.5 7081.6 8352.0

In district B, the investment in which area in 1996 did show the highest percentage increase over the investment in that area in 1995?

A. Chemical

B. Solar

C. Electricity

D. Nuclear

Solution:

\begin{aligned} Chemical % \\ = \frac{986.4 - 745.3}{745.3} \times 100 \\ = \frac{241.1 \times 100}{745.3} \\ = 32.34 % \\ Solar % \\ = \frac{1792.1 - 1363.5}{1363.5} \times 100 \\ = \frac{428.6}{1363.5} \times 100 \\ = 31.4 % \\ Electricity % \\ = \frac{2365.1 - 2065.8}{2065.8} \times 100 \\ = \frac{299.3}{2064.8} \times 100 \\ = 14.4 % \\ Nuclear % \\ = \frac{2182.1 - 1674.3}{1674.3} \times 100 \\ = \frac{507.8}{1674.3} \times 100 \\ = 30.3 % \end{aligned}

So the highest percentage is in Chemical area

	District A		District B
Core Area	1995	1996	1995	1996
Electricity Chemical Thermal Solar Nuclear	815.2 389.5 632.4 468.1 617.9	1054.2 476.7 565.9 589.6 803.1	2065.8 745.3 1232.7 1363.5 1674.3	2365.1 986.4 1026.3 1792.1 2182.1
Total	2923.1	3489.5	7081.6	8352.0

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