Intestinal worms infect about _________ percent of the population of the developing world.
10
20
30
40
Intestinal worms infect about 10 percent of the population of the developing world and can lead to malnutrition, anaemia and retarded growth.
Assertion(A): Tape worm, Round worm and Pin worm are endoparasites of human intestine
Reason(R): Improperly cooked food is source of all intestinal infections
a) Which class has the highest frequency? b) If Sachin scores 20 then in which interval will he be placed in? c) What is the upper-class limit of the class interval 10-20? RunsCricketers0−101010−20320−301430−402540−5011