A man has some hens and some cows. If the total number of heads of hens and cows together is 50 and the nunber of feet of hens and cows together is 142, then the number of cows is
In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four andindicate it by selecting the appropriate option.
The employee did not _____ to the argument of the manager.