Consumption of coffee, i.e. one cup of instant coffee will contribute about 60-100 mg of caffeine, which is a

Cost of a packet of coffee powder and a litre of milk are ₹ 20 and ₹ 30 ,respectively.10 cups of coffee is made with one packet coffee powder and for each cup 200 mL of milk is used. If coffee is sold at 25% profit, the selling price of each cup of coffee is

Which state of India ranks first in coffee consumption?

Question Stimulus :- Out of the given options, choose the one which is the correct active voice of the sentence given below. A cup of coffee was brought to me by her.

A small electric immersion heater is used to heat 170g of water for a cup of instant coffee. The heater is labeled "180 watts" ( it converts electrical enery to thermal energy at this rate ). Calculate the time required to bring all this water from 23.0^(@)C to 100^(@)C , ignoring any heat losses.

Compare the rate of loss of heat by one degree from a cup of hot coffee when it is at 100^@C and at 40^@C , in a room at 10^@C . Consider the coffee to act as a black body.