The number of students in each section of a school is 24. After admitting new students, three new sections were started. Now, the total number of sections is 16 and there are 21 students in each section. The number of new students admitted is
(a)14
(b)24
(c)48
(d)114
Answer
Answer (as printed): B
Explanation
Original number of sections $=(16-3)=13$. Original number of students $=(24 \times 13)=312$. Present number of students $=(21 \times 16)=336$. Number of new students admitted $=(336-312)=24$.
Explanation as extracted from the printed page; notation may be imperfect.