Prepp€¦ · (b) 2-15 cm (c) 2-14 cm (d) 2 cm 10. A ladder 5 m long is placed In a room so as to...
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Prepp€¦ · (b) 2-15 cm (c) 2-14 cm (d) 2 cm 10. A ladder 5 m long is placed In a room so as to reach a point 4-8 m high on a wall and on turning the ladder over to the opposite
