If a carpenter increases each edge of a square wooden piece from 42 cm – McqOptions

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1.	If a carpenter increases each edge of a square wooden piece from 42 cm to 45 cm, the cost of wood is increased by ₹ 783. What is the rate of wood per sq. cm?
A.	₹3
B.	₹4
C.	₹4.5
D.	₹5
Answer» B. ₹4

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