KVPY SX SB Exam 20141 Question Paper

Question : 90 of 120

Marks: +1, -0

Let

S = \{( a,b) | a,b ∊ Z, 0 ≤ a, b ≤18\}

. The number of lines in R

^{2}

passing through (0,0) and exactly one other point in S is

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