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Questions  >>  Olympiad-Math  >>  Class 7  >>  Integers
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Q)

The temperature at 1.00 p.m. was 10 \circ C above zero. If it decreases at the rate of 2\circ C per hour until 10 p.m., at what time would the temperature be 6\circ C below zero


( A ) 9 p.m
( B ) 7 p.m
( C ) 9.30 p.m
( D ) 8 p.m

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