A market research group conducted a survey of 1000 consumers and reported that 720 consumers like product A and 450 consumers like product B, what is the least number that must have liked both products?

In a survey it was found that 21 people liked product A, 26 liked product B and 29 liked product C. If 14 people liked products A and B, 12 people liked products C and A, 14 people liked products B and C and 8 liked all the three products. Find how many liked product C only.

Animal husbandary is the science of rearing, feeding and caring and disease control of animals. It ensures supply of proper nutrition to our growing population through activities lke increased production and improvement of animal products like milk, eggs, meat, honey,etc. a. Poultry production depends upon the photoperiod. Discuss b. Polyculture of fishes is of great importance.

Animal husbandry is the science of rearing, feeding and caring, breeding and disease control of animals. It ensures supply of proper nutrition to our growing population through activities like increased production and improvement of animal products like milk, eggs, meat, honey, etc. b. Polyculture of fishes is of great importance.

Which of the given statements is true ? (a) National parks are meant for the protection of fauna only. (b) Wildlife sanctuaries are meant for the protection of both flora and fauna. (c) Activities like collection of forest products, harvesting of timber, private ownership of land, etc. are allowed in national parks. (d) None of these

The impact of loss of biodiversity includes (a) decline in plant production (b) lowered resistance to environmental perturbations (c) increased variability in ecosystem processes like plant productivity, water use, pest and disease cycles (d) all of these

Represent the following situations with suitable mathematical equations. Sridhar and Rajendar together have 45 marbles. Both of them lost 5 marbles each, and the product of the number of marbles now they have is 124. We would like to find out how many marbles each of them had previously.

An experiment has 10 equally likely outcomes. Let A and B be two non-empty events of the experiment. If A consists of 4 outcomes, the number of outcomes that B must have so that A and B are independent, is (A) 2, 4 or 8 (B) 3, 6 or 9

The given graphs shows the productivity of an aquatic ecosystem measured in terms of dissolved oxygen produced and consumed by green plants and photosynthetic algae where PS=photosynthesis and R=respiration. What will happen during algal bloom? 1. PS will be increase, R will be decreased 2. PS will be decreased, R will be increased. 3. PS and R will not change. 4. PS+R will increase.