The word that has same meaning as the italicized word in both the sentences is Option B, 'dumped'. Dumped means to put down something carelessly. It also means a place where things of a particular type are stored, like arms or weapons or food dump.Sentence I means Mrs. Menon dumped all her jewellery in one box carelessly. Sentence II means the equipment were dumped in this warehouse at short notice. Option A, 'stacked' means put or arrange things one over another. Option C, 'stocked' is a past tense of 'stock' which means to keep supply of something. Option D, 'stowed' means to store something neatly in a place. Option E, 'treasured' means to keep carefully. Thus, options A, C, D and E are incorrect and the correct word for both the sentences is Option B, dumped.