Mht CetCircleMHT CET 2026 18th April Evening ShiftMCQ+2 / -02026The number of circles passing through the origin and touching the lines $x + y = 1$ and $x - y = 1$ is $\ldots$A$1$B$2$C$3$D$4$Check AnswerClear SelectionReveal AnswerShow Explanation