Question
In an office, the average weight of women is 34 kg and
the average weight of men is 30 kg. If the number of women is three times the number of men, what will be the average weight of all the employees in the office?Solution
ATQ,
Let the number of men be 'm' Therefore, number of women = '3m' So, ATQ, Required average = (34×3m+30×m)/(3m+m) = 132m/4m = 33 kg
Which substance is secreted by the liver?
How many pairs of ribs are there in the human body?
Plants are divided into ______ groups.
Which enzyme is responsible for removing RNA primers during DNA replication?
Prothrombin, essential for blood clotting, is released by which part of the body?
Streptokinase enzyme is used for :
Which one of the following statements is not correct?
Who proposed that the first form of life could have come from pre-existing non-living organic molecules ?
What is the structural and functional unit of the kidneys?
In which part of the nervous system are interneurons typically found?