Which of the following is longest?
A bucket half the length of a 100 cm long stick
a. Length of book = 2 X 15cm = 30cm
b. Length of bucket = 100cm/2 = 50cm
c. Length of pencil = 20cm/2 = 10cm
d. Length of bottle = 2 X 10cm = 20cm
So, the bucket is the longest.