Solution -
[(P×R×T) / 100] - [(P×R×T) / 100] = 112
[(P × (R + 4) × 2) / 100] - [(P×R×2) / 100] = 112
(2P / 100) [R + 4 - R] = 112
P (4) = 112 × 50
P = 5600 / 4
P = 1400
Therefore,
The sum is 1400.
Hence,
The correct answer is option (b) 1400.
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