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SSC CGL Tier I Quantitative Aptitude Test 10
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SSC CGL Tier 1 :: QA Test 9

Home » SSC CGL Tier 1 » QA Test 9 » General Questions - Discussion

1 .

For which value of k does the pair of equations $x^2-y^2$ = 0 and $(x– k)^2$ + $y^2$ = 1 yield a unique positive solution of x?
(a).2
(b).0
(c)$ \sqrt{2}$
(d)$-\sqrt{2}$

[ A ] a		[ B ] b
[ C ] c		[ D ] d

Answer : Option A

Explanation :

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