Question

7. In the centre of a rectangular lawn of dimensions 50 m × 40 m, a rectangular

pond has to be constructed so that the area of the grass surrounding the pond

would be 1184 2m, Find the length and breadth of the pond.

8. At t minutes past 2 pm, the time needed by the minutes hand of a clock to show

3 pm was found to be 3 minutes less than

2

4

t

minutes. Find t.

Answer 1

7) Area of rectangular field = 50 × 40 = 2000m2

area of grass = 1184

hence area of pond = 2000 -1184 = 816m2