The value of 0.65 x 0.65 + 0.35 x 0.35+0.70 x 0.65 is
Expression : $$(0.65\times0.65)+(0.35\times0.35)+(0.70\times0.65)$$
= $$(0.65)^2+(0.35)^2+2(0.35)(0.65)$$
Comparing with : $$(x)^2+(y)^2+2(x)(y)=(x+y)^2$$
= $$(0.65+0.35)^2=(1)^2=1$$
=> Ans - (B)
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