Mathematics
A school has 8 periods in a day, each of 45 minutes duration. Assuming that the number of school hours to be the same and the school has 9 periods in a day, the duration of each period is:
72 minute
180/5 minute
40 minute
60 minute
Related Questions
If a varies inversely to b and b = 12 when a is 8; the value of b when a = 6 is:
72
32
12
16
12 men can make a certain number of screws in 30 days. The number of screws, of the same type will be made by 24 men in:
15 days
30 days
60 days
none of these
From the given table find the values of a and b:
x y 12 5 4 a 10 6 30 b a = 8 and b = 25
a = 15 and b = 12
a = 12 and b = 90
a = 15 and b = 2
A hostel has provisions for 200 students for 30 days. If 100 new students join the hostel, the same provisions will last for:
45 days
30 days
60 days
20 days