Special Menti on Playing With Numbers

Some Special Cases in Oxidation Numbers

Special cases of Oxidation Number

In a tennis tournament in which every pair has to play with every other pair,10 players are playing.Find the number of games played.

Out of a total of 85 children playing Badminton or Table Tennis or both, total number of girls in the group is 70% of the total number of boys in the group, the number of boys playing only Badminton is 50% of the number of boys and total number of boys playing Badminton is 60% of the total number of boys Number of children only playing table Tennis is 40% of the total number of children and a total of 12 children play Badminton and Table Tennis both. What is the number of girls playing only Badminton? 14 b. 16 c. 17 d. none of these

Number of students from various school playing various games is given in following table The number of students playing football from school D is what per cent of the total number of students playing all the given games from the school D ? (Round off to 2 digits after decimal )

In a club having 100 members, 20 play carrom, 24 play table -tennis and 16 play cricket and the remaining members do not play any game. No member plays more than one game. Find the ratio of the number of members who play. a. Carrom to the number of those who play table tennis. b. Cricket to the number of those who play carrom. c. Cricket to the number of those who do not play any game. d. Table tennis to the number of those who do not play any game. e. Some game to the number of those who do not play any game.