question_answer

There are ten subjects in the school day at St. Vincent's High School, but the sixth standard students have only 5 periods in a day. In how many ways can we form a time-table for the day for the sixth standard students?

A)  \[{{5}^{10}}\]                       

B)  \[{{10}^{5}}\]           

C)  252         

D)  30,240