Maths olympiad Exam Category

Nine days ago the area covered by the piece of bread was 3 sq inches. Total, the mold covers 9 sq inches . what is the rate of change in modls area ?

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Maths olympiad Other Question

How many complete tanks of water each with a capacity of 3 cubic meters are needed to fill an empty cylindrical tank whose height is 3 m and base has radius of 2 meter? five students have not been absent for the entire 1st semester. they are asked to draw one pass each from bag that has 5 movie passes and 5 meal passes. parul and mini are the first 2 students to draw a pass simultaneously which is the probability that they draw both movie passes?