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Qn #1471
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Qn #1469
If K is parallel to I, K is 1/2 km South of J and 1 km North of G, then which of the following two roads would be 1/2 km apart?
Qn #43
The square boxes in the figures given are to be painted with different colours such that no two adjacent boxes (even diagonally) have the same colour. How many minimum colours do you need in each case?
