Case Study Based- 4
100m RACE A stopwatch was used to find the time that it took a group of students to run 100 m.

Estimate the mean time taken by a student to finish the race.
(i)54
(ii)63
(iii)43
(iv)50

Case Study Based- 4 100m RACE A stopwatch was used to find the time that it took a group of students to run 100 m. What will be the upper limit of the modal class?

Case Study Based- 4 100m RACE A stopwatch was used to find the time that it took a group of students to run 100 m. How many students finished the race within 1 minute?

Case Study Based- 4 100m RACE A stopwatch was used to find the time that it took a group of students to run 100 m. The sum of lower limits of median class and modal class is

Case Study Based- 4 100m RACE A stopwatch was used to find the time that it took a group of students to run 100 m. How many students finished the race within 1 minute? (i)18 (ii)37 (iii)31 (iv)8

Case Study Based- 4 100m RACE A stopwatch was used to find the time that it took a group of students to run 100 m. The construction of cumulative frequency table is useful in determining the

Case Study Based- 4 100m RACE A stopwatch was used to find the time that it took a group of students to run 100 m. The sum of lower limits of median class and modal class is (i)60 (ii)100 (iii)80 (iv)140

In a race of 1 km A beats B by 40 m and 5 seconds. Find the time taken by A to run 1 km?

The shadow of a stick 5m long is 2m. At the same time the shadow of a tree 12.5m high is (i)3m (ii)3.5m (iii)4.5m (iv)5m

In a 800 m race around a stadium having the circumference of 200 m, the top runner meets the last runner on the 5th minute of the race. If the top runner runs at twice the speed of the last runner, what is the time taken by the top runner to finish the race ?