Question
A boat moves 25km upstream and 39km downstream in 8
hours. It travels 35km upstream and 52km downstream in 11 hours. What is the speed of the stream if it travels at a uniform speed?Solution
Let the speed of boat in still water =B and speed of stream =S then – ATQ- Solving (4)-(3) B-S=5km/h B+S=13km/h  Speed of Stream (S)=13-5/2=4km/h
The Bar graph given below shows the number of males and femalesManager's in four different Companies.
What is the difference between the total nu...
The difference between the number of yoga class students from institute A and the number of swimming class students from institute C was approximately w...
Find average number of employees in department B in all the given three years.
Total number of men who went to cinema hall B is approximately how much percent less than the number of women who went to cinema hall A?
The pie chart given below shows the number of students in seven different institutes in a town. Total number of students in all the seven institutes is ...
If the family decides to reduce their Transportation and Miscellaneous expenses by 25% each, what will be their new total monthly expenditure?
Number of females in Pune are what per cent of the number of males in Kolkata?
What is the approximate average number of chocolates purchased by Sumit from shop A, B and D together?
Number of laptops sold by shop C is how much more than the number of mobile phones sold by shop D?
In a biased coin the probability of getting a head is 0.6, if we toss a coin 10times, what is the probability of getting exactly three heads?