৪১৬১
A train 220m long is moving at 45 km/h. The train taken by the train to cross tunnel 260m long is___
উত্তর
38sec
৪১৬২
Who was the frist English translator of Bangladesh national anthem?
উত্তর
Syed Ali Ahsan
৪১৬৩
A vegatable cart sells a potato for $0.24 and a tomato for $0.76. Fred bought 12 vegetable in total he only bought potatoes and tomatoes. If Fred paid $ 6.52 total, how many potatoes did he buy?
উত্তর
5
৪১৬৬
When a plot is sold for TK. 18,700 the owner loses 15%. At what price must that plot be sold in ordee to gain 15%?
উত্তর
TK. 25,300
৪১৬৭
Two bikes start at the same time from two destination 300km apart and travle towards each other. If they cross each other at a distance of 130 km from one of the destinations, what the ratio of their speeds?
উত্তর
17: 13
৪১৬৮
A worker union contract specifies a 6% salary increase plus a TK. 450 bonus for each worker. For a worker, this is equivalent to 8% salary increase. What was this workers salary before the new contract?
উত্তর
22500
৪১৬৯
The total cost of flooring a room at TK. 8.50 per square meter is TK. 510. If the length of the room is 8m, what is its breadth?
উত্তর
7.5m