Basic Numeracy/Quantitative Aptitude

557. If j&k = j^2 - 2jk + k^2 for all integers j and k, then 4&3 =

	(a) 49
	(b) 13
	(c) 1
	(d) -1

558. For a finite sequence of nonzero numbers, the primeness of the sequence is defined the fraction of the terms in the sequence that are prime. What is the primeness of the sequence 1, 2, 4, 7, 11, 16 ?

	(a) 1/6
	(b) 1/3
	(c) 1/2
	(d) 2/3

TOTAL

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