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

The area of a square is 1 sq. m Express the area of this square is sq. mm.

Area of triangle BPC is 10 sq.cm. a) Find the area of triangle A B C. b) Find the area of rectangleABCD.

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

A road map represents 1cm is 18 km then 72 km is _________ 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)