Question

An air conditioner cools the room at the rate of 3oC per hour. If the initial temperature
of the room was 32oC, find the number of hours it takes to bring down the room
temperature to −4
oC.

IV. [4×1=4]
19. A fruit seller bought 712 fruits out of which
3
4
th are apples.

Answer 1

Answer:

An air conditioner cools the room at the rate of 3oC per hour. If the initial temperature

of the room was 32oC, find the number of hours it takes to bring down the room

temperature to −4

oC.

IV. [4×1=4]

19. A fruit seller bought 712 fruits out of which

3

4

th are apples.