৪৯৯৫১
A sold a watch to B at a gain of 20% and B sold it to C at loss of 10%. If C bought the watch for TK.216 at what price did A purchase it?
উত্তর
Tk.200
৪৯৯৫২
The average of the three numbers x, y, and z is 45. x greater than the average of y and z by 9. The average of y and z is grater than y by 2. Then the difference of x and z is:
উত্তর
7
৪৯৯৫৩
A boat traved with a speed of 10 km/hr in still water. If the speed of the stream is 3 km/hr then find time taken by boat to travel 52 km downstream.
উত্তর
4 hrs
৪৯৯৫৪
A ans B can do a work in 12 days. B can do the same work in 18 days. In how many days A can complete the 2/3 of the same work?
উত্তর
24 days
৪৯৯৫৫
A is twise as good as B and together they finish a piece of work in 16 days. The number of days taken by A alone to finish the ork is.
উত্তর
24 days
৪৯৯৫৬
A motor cycle covers 40 km with a speed of 20 km/hr. Find the speed of the motor cycle for the next 40 km journy so that the average speed of the whole journey will be 30 km/hr?
উত্তর
60
৪৯৯৫৭
With a uniform speed , a car covers a distance in 8 hours. Had the same distance could have been increased by 4 km/hr. The same distance could have been covered in 7 hours and 30 minutes. What is the distance covered?
উত্তর
480 km
৪৯৯৫৮
A, B and C are partners of a company During a particular year A received one- third of the profile. B received1 one fourth of the profit C received remaining Tk. 5000. How much did A recieved?
উত্তর
4000
৪৯৯৫৯
The average are of a group of 15 employing is 24 years, If 5 more employees join the group., the average age increases by 2 years. Find the average age of the new employ?
উত্তর
32
৪৯৯৬০
Rahim can now 16 km/hr in still water. It takes her thrice as long to row up as to row down the river. Find the difference between her speed (km/hr) in still water and that of the steam.
উত্তর
8