On a hypothetical scale X, the ice point is 40^(@) and the steam point is 120^(@). For another scale Y the ice point and steam points are -30^(@)and130^(@) respectively. If X-reads 50^(@) The reading of Y is

On a hypothetical scale X, the ice point is 40^(@) and the steam point

1.	On a hypothetical scale X, the ice point is 40^(@) and the steam point is 120^(@). For another scale Y the ice point and steam points are -30^(@)and130^(@) respectively. If X-reads 50^(@) The reading of Y is
Answer» `-5^(@)` `-8^(@)` `-10^(@)` `-12^(@)` Answer :C