For the following questions answer them individually
A boat covers a certain distance against the stream in 9 hours 36 min and it covers the same distance along the stream in 6 hours. What is the ratio of the speed of the boat in still water to that of the stream?
Raju, Shobh and Mohan can do a work in 15 days, 20 days and 25 days respectively. In how many days,will the work be finished, if they do it on alternate days?
A jeep travels to a place 300 km away at an average speed of 60 km/h and returns at a speed of 30 km/h. What is the average speed (in km/h) for the whole journey?
The table given below shows the number of people in different states.
What is the average number of people in all the states?
The average age of a man and his son is 55 years. The ratio of their ages is 7 : 4, respectively. What will be the ratio of their ages after 6 years?
$$\triangle ABC$$ is a right-angle triangle at B and $$\tan A = \frac{3}{4}$$, then $$\sin A + \sin B + \sin C$$ will be equal to:
A dishonest dealer professes to sell his goods at cost price but uses a false weight and thus gains 15%. For a kilogram, he uses a weight of _________ (rounded off to one digit after decimal).
Study the given graph and table and answer the following question.
Data of different states regarding population of states in the year 1998
What was the number of males in Bihar in the year 1998?