Consider the statement: Ratio of breadth and length of a hall is 2 : 5. Complete the following table that shows some possible breadths and lenghts of the hall.

A die is numbered in such a way that its faces show the number 1,2,2,3,3,6. It is thrown two times and the total score in two throws in noted. Complete the following table which gives a few values of the total score on the two throws: What is the probability that the total score is i] even? ii] 6? iii] at least 6?

State whether the following statements are true or false : A plane has length and breadth but no thickness.

Two dice, one blue and one grey, are thrown at the same time. i] Write down all the possible outcomes and complete the following table: ii] A student argues that 'there are 11 possible outcomes 2,3,4,5,6,7,8,9,10,11 and 12. There, each of them has a probability (1)/(11) . do you agree with this arguement ?

Obtain the volume of rectangular boxes with the following length,breadth and height respectively: a,2b,3c

Consider the following statements 1. In climacteric fruits, ethylene production is high. 2. Gibberellin present in a healthy stem causes some of the new cells to differentiate as phloem. 3. Loss of turgor in leaves stimulates the production of abscisic acid. Which of the statements given above are correct?

Study the pedigree chart given, showing the Inheritance pattern of blood groups in a family and answer the following questions (a) Give the possible genotypes of the individuals 1 and 2. (b) Which antigen or antigens will be present on the plasma membranes of the RBC's of individuals 5 and 9. (c) Give the genotypes of the individuals 3 and 4.

Answer the following: (b) The length of a rectangular hall is 4 meters less than 3 times the breadth of the hall. What is the length, if the breadth is b meters?

Obtain the volume of rectangular boxes with the following length,breadth and height respectively: 5a,3a^2,7a^4

Represent the following situations in the form of quadratic equations : The area of a rectangular plot is 528 m^(2) The length of the plot (in metres) is one more than twice its breadth. We need to find the length and breadth of the plot.