competition for oxygen

In a class competition there are 4 prizes to be distributed, 2 each to boys and girls. If each boy or girl is eligible for only one prize, find the number of ways in which these prizes can be distributed if there are 20 boys and 15 girls. => 35 C 4 or 35 P 4 or 75 or 19950..

Mr. Mike and Mr. Josh reach the finish line in 14.2 seconds and 14.4 seconds in a swimming competition. Are the two decimals equivalent? => No or Yes..

The table shows the answers given by Alice in a Yes/No quiz competition. Find the experimental probability of choosing an answer not given as 'Yes' Question Answer 1 Yes 2 Yes 3 No 4 Yes => 3 4 or 1 4 or 1 5 or 2 5..

The tally chart shows the number of pizzas eaten by 3 friends in a food competition. Which graph best represents the tally chart? => Graph 4 or Graph 3 or Graph 1 or Graph 2..

Lily, Tom and Bob took part in 3 quiz competitions. Using the tree diagram, find the probability of selecting Tom's score in Quiz 3. => 1 or 1 2 or 1 3 or 1 9..

Four students participated in cake eating competition. Frank ate 1 3 of a cake, Mike ate 2 3 of a cake, and Victor ate 2 3 of a cake. Who ate the least amount of cake? => Victor or Mike or Frank or not here..

Question: From a class of 12 boys and 10 girls, 10 students are to be chosen for a competition, including atleast 4 boys and 4 girls. 2 girls who won prizes last year should be included. In how many ways the selection can be made? Answer: There are 12 boys and 10 gir..

Where members of two different populations are mutually and actively inhibitory to each other. In such a case competition benefits the organism, which is more suitably adapted while the other is at a disadvantage. The size of population of the latter decreases, finally leading to its eli..

Introduction - Newton's laws of motion help us to analyse many kinds of motion. But the analysis is complicated, requiring details about the motion that we simply do not know. Long ago, people used to trade by only exchanging products when the concept of 'money' was yet to be introduced. Now we do ..

Competition (a) Direct (b) Indirect (-) (-) Mutual inhibition (-) (-) Inhibition due to short supply of resources Mimicry (+) (-) or (Nil) Mimic is benefited; predator unaffected but prey is caught easily Negative interactions in a commu..