Question

In a hostel, a certain quantity of rice is spent daily for 30 students. On a certain day, some students were absent, as a result, the quantity of rice spent decreased by a ratio of 1:6 in comparison to a normal day. No. of students absent on that day was ___ .

Answer 1

Since the quantity of rice has been decreased by the ratio 1:6

Number of students absent

$=\frac{1}{6}\times 30=5$
5 students were absent.