1.

 An iron cube of side 10 cm is hammered into a rectangular sheet of thickness 0.5 cm. If the sides of the sheet are in the ratio 1 : 5, the sides are :

A. 20 cm, 100 cm
B. 40 cm, 200 cm
C. 60 cm, 300 cm
D. 80 cm, 400 cm
Answer» B. 40 cm, 200 cm


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