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Let the pocket money of ‘C’ and ‘D’ be Rs. 4x and Rs. 3x respectively
(0.5 × 4x) – (0.25 × 3x) = 120
2x – 0.75x = 120 → 1.25x = 120 → x = 96
Therefore, pocket money of ‘C’ = 4x = Rs. 384
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