For many hotels, including the grand hotel toplice, the price of a room will fluctuate depending on a. the time of day b. the time of year c. the gender of the person d. the nationality of the person

b.

the time of year

Step-by-step explanation:

The question is to select a suitable option from the given four option to find out the factor that affects the price of room most

a) Time of day is immaterial as hotels charge 24 hours at whatever time they enter.

b) time of year -- this is a correct factor as prices of rooms depend upon demand and demand increases due to seasons, holidays, festivals, etc.

c) the gender of the person is irrelevant in determining the price of the room as equal prices for both genders.

d) nationality of the person cannot differentiate the prices charged

Hence the suitable option is

b.

the time of year

1. 3

2. 4

3. R to Q

4. Depression from Q to R

Step-by-step explanation:

Depression basically means the angle going downward. Elevation is opposite.