There are 2 female teacher, 3 male teacher, 28 female child sitting in a meeting hall and 45 male child are sitting outside the hall. How many people are there in all in the school?
Find the distance between the point B to C if distance between point A to point C is 5 km and distance between point A to point B is 3 km, they lie on the same line.
The distance travelled by a car in 6 hours 30 minutes is 234 kilometres. Another car travelled the same distance in 5 hours 15 minutes. How much more time is taken by the car which ran at slower speed?
A perpendicular line CD on a horizontal line AB is 5 cm less than the horizontal line AB. If the length of the horizontal line AB is 49 metres find the length of the perpendicular line CD as shown in the picture below.