The selling price of 10 books is equal to the cost price of 15 books. Find the loss or gain percentage.
\( \frac{100}{3} \) % Gain
\( \frac{100}{3} \) % Loss
50% Loss
50% Gain
The diagram below shows a part of the human alimentary canal. Which process is taking place and how?
Digestion, due to rhythmic contraction and relaxation of muscular walls
Peristalsis, due to rhythmic contraction and relaxation of muscular walls
Digestion, due to enzymes present
Peristalsis, due to enzymes present