Which unit would you use to measure the weight of a man.
kilogram
Explanation of correct option:
(a) Weight can be measured in different units i.e. kg, g, mg etc.
For measuring weight we should select the unit properly on the basis of object to be measured.
Explanation of incorrect option:
(b) Gram: Gram is also used to measure weight but of small quantities like sugar in household.
(c) Metre: it is used to measure distance between two points.
(d) Quintal: It is used to measure weight of heavy machine or large quantity object like a truck full of wheat bags.
Hence, for measuring the weight of a man we can use kg.
So, the correct option is (a).