Question

Ten students of the physics department decided to go on a educational trip.They hired a mini bus for the trip, but the bus can only carry eight students at a time and each student goes at least once. Find the minimum number of trips the bus has to make so that each students can go for equal number of trips.

• A. $5$
• B. $4$
• C. $6$
• D. $8$

Answer 1

The correct option is A $5$

Ten students $⟶$ Eight students in bus $2$ students are excluded/not taken on a trip so we have exclude every students once, so that no. of trips made by each students are equal so no. of trips $=\frac{10}{2}=5$

$A$ is correct.