১১৮০১
A man covers a total distance of 100 km on bicycle. For the first 2 hours, the speed was 20 km/hr and for the rest of the journey, it came down to 10 km/hr. The average speed will be -
উত্তর
12.5 km/hr
১১৮০২
A man can reach a certain place in 40 hours. If he reduces his speed by 1/15th, he goes 5 km less in that time. Find the total distance covered by him.
উত্তর
75 km
১১৮০৩
A shopkeeper gains 17% after allowing a discount of 10% on the marked price of an article. Find his profit percent if the article is sold at marked price allowing no discount.
উত্তর
30%
১১৮০৪
Alam sold two vehicles for Tk 46000 each. If he gained 10% on the first and lost 10% on another, then what is his percentage profit or loss in this transaction?
উত্তর
1% loss
১১৮০৫
The profit earned after selling an article for Tk. 3,362 is the same as the loss incurred after selling the article for Tk. 2,346. At what selling price will a trader make a 20% profit on this article?
উত্তর
None of these
১১৮০৬
An article costs TK 500 and the marked price is mentioned as Tk. 800. What is the profit % for the seller if he sells and offers a discount of 10% on the marked price?
উত্তর
44%
১১৮০৭
The average of the first and the second of three numbers is 15 more than the average of the second and the third of these numbers. What is the difference between the first and the third of these three numbers?
উত্তর
None of these
১১৮০৮
30 pens and 75 pencils altogether were purchased for Tk. 510. If the average price of a pencil was Tk 2, what was the average price of a pen?
উত্তর
Tk. 12
১১৮০৯
A boat travels 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
4hrs
১১৮১০
The ratio of the speed of boat in still water to the speed of stream is 16 : 5. A boat goes 16.5 km in 45 minute upstream, find the time taken by boat to cover the distance of 17.5 km downstream.
উত্তর
25 minutes