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In Fig.92, A O B is a straight line such...

In Fig.92, `A O B` is a straight line such that `/_A O C=(3x+10)^0,\ /_C O D=50^0` and `/_B O D=(x-8)^0dot` The value of `x` is (a) 32 (b) 36 (c) 42 (d) 52

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