20. (W) Calculate the weighted mean price of a table from the following data, assuming that weights are proportional to the number of
tables sold.
table (Rs.)
48.00
Price
per
36.00
40.00 44.00
No. of tables sold
11
9
(ii) In a cerfain course, a student's final mark is computed using the
following weights: Quizzes 10%; Tests 40% and Examination
50%. Find his final mark, if his marks in each of these categories
81,75 and 70 respectively,

What is the approximate circumference of the circle shown below?

Five dinosaurs go for a walk and come across some lovely chicken wings. their names are rexy, bronto, steggy, paly, and terry. there are exactly 5 dozen wings(equal enough for each dino to have a dozen right? ); however, terry is on a diet and he only eats 6 wings. if paly eats 2 more than terry, steggy eats 4 more than paly, and bronto and rexy eat the same amount because they are really hungry from not eating all day, how many chicken wings did each dino eat?

The following division is being performed using multiplication by the reciprocal find the missing numbers is 5/12 divided by x/3 equals 5/12 times x/10 equals 1/x