Temperature measuring range of a digital thermometer

Q.  What is the temperature measuring range of a digital thermometer in almost all kinds of environment?
- Published on 21 Oct 15

a. +300C to +1000C
b. -300C to +1000C
c. +400C to + 1000C
d. -400C to +1000C

ANSWER: -400C to +1000C

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