Question
In a school, there are 20 teachers either teach english or maths. Out of these 12 teachers teach english only and five teachers yeach both english and maths. find how many teachers teach only maths
A train covered a certain distance at a uniform speed. If the speed of the train would have been 15km/hr more,it would have taken 1.2 hours less than the scheduled time. If the speed of the train would have been 12km/hr less,it would have taken 1.5 hours more than the scheduled time. Find the distance covered by the train.
A vertical pole of length 6cm casts ashadow 4m long on ground and at the time a tower casts a shadow 28m long find the height of the tower
It may create ambiguous situation to students
Confusion reagarding the theory and the exanple given there under... As they do not match each other
On a morning walk, three persons step off together and their steps measure 40 cm, 36 cm and 30cm, respectively. What is the minimum distance each should walk so that each can cover the same distance in complete steps?
A train travels a distance of 480 km at a uniform speed . If the speed had been 8 km/hr , then it would have taken 3 hours more to cover the same distance . Find the usual speed of train