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Subject :IMO    Class : Class 7

A rectangular field is 112 m long and 100 m wide. Two roads, each 3 m wide are to be constructed at the centre of this field; one is parallel to the length of the field and the other is parallel to the breadth of the field.
Find :
(i) Area of the part of the field, not covered by the roads.
(ii) Cost of constructing the road at ₹ 17 per m2.

(i) (ii)
A 3248 m2 ₹ 2890
B 10573 m2 ₹ 10659
C 16582 m2 ₹ 20480
D 10573 m2 ₹ 1250

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