In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.
A large _______ of angry bisons rampaged through the villages.
The average height of 40 sticks is 154 cm. Some sticks of average height 160 cm are taken out. If the new average height is 150 cm, then how many sticks are remaining?
Animals like annelids and arthropods etc where the body can be divided into identical left and right halves in only one plane, exhibit ________ symmetry.