1.

Calculate the temperature which has same numeral value on celsius and Fahrenheit scale.

Answer»

Solution :`(""^(@)F-32)/(180)=(""^(@)C)/(100)`
SUPPOSE, `F=C=Q`
`:.(Q-32)/(180)=Q/100`
`:.Q-32=(180)/(100)Q`
`:.Q-9/5Q=32`
`:.-(4Q)/(4)=32`
`:.Q=-(32xx5)/(4)`
`:.Q=-40`
`:.Q=-40" "^(@)F` or `Q=-40" "^(@)C`


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