From New Delhi to Bombay, there are three routs : air, rail and road. From Bombay to Goa, there are four routes : air, rail, road and sea. From New Dehi to Goa, how many kinds of routes are there?

There are three routes: air, rail and road for going from Chennai to Hyderabad. But from Hyderabad to Vikarabad, there are two routes, rail and road. The number of routes from Chennai to Vikarabad via Hyderabad is:

There are 5 routes from place A to place B and 3 routes from place B to place C. Find how many different routes are there from A to C via B.

From a basket of mangoes when counted in twos there was one extra, when counted in threes there were two extra, when counted in fours there were three extra, when counted in fives there were four extra, when counted in sixes there were five extra . But when counted in sevens there no extra.Ateast how many mangoes were thee in the basket?

Three girls are climbing down a staircase.One girl climbs down two steps at one go.The second girl three steps at one go and the third climbs down four steps.They started together from the beginning of the staircase leaving their foot marks.They all came down in complete steps an had their foot marks together at the bottom of the staircase.In how many steps would there be only one pair of foot mark?

There are three stations A,B and C five routes for going from station A to station B and four routes for going from station B to station C. find number of different ways through which a person can go from A to C via B.

A box contains two white balls, three black balls and four red balls. In how many ways can three balls be drawn from the box if at least one black ball is to be included in a draw ?

A passenger arriving in a new town wishes to go from the station to a hotel located 10 km away on a straight road from the station. A dishonest cabman takes him along a circuitous path 23 km long and reaches the hotel in 28 min. What is:- the average speed of the taxi,

A passenger arriving in a new town wishes to go from the station to a hotel located 10 km away on a straight road from the station. A dishonest cabman takes him along a circuitous path 23 km long and reaches the hotel in 28 min. What is:- the magnitude of average velocity ? Are the two equal ?