logical reasoning

For a person to loose weight, is it more effective to exercise or to cut down on the intake of food. Give logical reason.

Which logic gate corresponds to the logical equation Y =bar(A+B) ?

Why is deductive reasoning also called 'top-down logic'?

One of the adjustment mechanism involves thinking logically and socially in approved reason of past ,present and proposed behaviour is called

Name the logic gate realised using p-n junction diode in the given Fig.Give its logic symbol.

Assertion : S.I. units are logical and coherent . Reason : S.I. system of units is a rationalised system.