Solution
Number of squares in a 4 x 4 grid = $$4^2+3^2+2^2+1^2$$
= $$16+9+4+1=30$$
=> Ans - (D)
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Number of squares in a 4 x 4 grid = $$4^2+3^2+2^2+1^2$$
= $$16+9+4+1=30$$
=> Ans - (D)
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