৩২০১১
The batting average for 40 innings of a cricket player is 50 runs. His higest score in an innings exceeds his lowest score by 172 runs. if thse two innings are excluded, the average score of the remianing 38 innings is 48 runs. Find his highst score in an innings
উত্তর
174 runs
৩২০১২
A boat has a crack in its bull which is leaking water into the boat and could pump which can pump the water out in 8 hours. If the boat is 168 km away from the shore and the pump is running what is the minimum speed the boat should run at so that it can reach the shore before sinking?
উত্তর
7 km/hour
৩২০২০
A shopkeeper purchase 15 mangoes for Tk. 10 and sells them at 10 mangoes for Tk. 15. Thus, he earns a profit of-
উত্তর
125%