An area of 100 sq. cm on the map represents an area of 49 sq. km on the field. The R.F. of the scale to be used is `1/(10000)` (b) `1/(20000)` (c) `1/(49000)` (d) `1/(70000)`

1m of an object is to be represented by 10cm on the drawing scale.The representative fraction (R.F.) of the scale is (1)/(10) (b) (1)/(20) (c) (1)/(100) (d) None of these

If 4 km on a map is represented by 1 cm, then 16 km is represented by ______ cm.

The area of a rectangular field is 52000 m2. This rectangular area has been drawn on a map to the scale 1 cm to 100 m. The length is shown as 3.25 cm on the map. The breadth of the rectangular field is (a) 150m (b) 160m (c) 200.5m (d) 300.5m

If the area of a triangle is 100 sq ,cm, r_(1)=10cm and r_(2)=50cm, then find the value of (b-a)

The ratio of the areas of two squares is 1:4 .if the area of the first is 9 sq. units . The area of the first square is ____ ( in sq. units)

The readings in a field book are: (FIGURE) It is subsequently realised that the distances to C and D had been interchanged by mistake. The area of the actual field would be (a) 1300 sq.m (b) 1500 sq.m (c) 1800 sq.m (d) 2000 sq.m

The breadth of a rectangular field is 60% of its length. If the perimeter of the field is 800 m, what is the area of the field? (a) 18750 sq. m (b) 37500 sq. m (c) 40000 sq. m (d) 48000 sq. m