১৯১১২
Two trains 100m and 80m long moving in opposite direction at 50 km/h and 40 km/h. Time to cross each other:
উত্তর
7.2 seconds
১৯১১৩
Price of sugar increases by 25%. Consumption reduced by how much to keep expenditure same?
উত্তর
20%
১৯১১৪
Difference between simple interest and compound interest on 1000 TK for 2 years at 10% is:
উত্তর
10 TK
১৯১১৬
Speed of stream is 2 km/h, boat speed in still water is 8 km/h. Downstream time for 20 km:
উত্তর
2 hours