২৬৭০২
A person makes a profit of 10% on 25% of the quantity and a loss of 20% on the rest what is the percentage gain or loss on the whole?
উত্তর
12.5%
২৬৭০৩
The selling price of 15 items equals the cost of 20 items. What is the percentage profit earned by the seller?
উত্তর
33.3%
২৬৭০৪
Zerin has started a sholeseale jewelry making busin. She make 36 bracelets a day and sells them to local shops for TK. 180 a dozen. How much does Zerin make per week if she works 5 days a week?
উত্তর
Tk. 2,700
২৬৭০৫
The speed of a boat is 10 km per hour (kph) and the speed of the currect is 5 kph. The boat traelled 5 hours in a favour of the current and then returned to the starting point. What was the time to return?
উত্তর
15 hours
২৬৭০৬
In achese touranment each of six players will play every other player exactly once. How many matches will be played during the tournament?
উত্তর
12
২৬৭০৭
It takes bela 1 hours to do job that Hena can do in 40 minutes, One day worked together for 12 minitues and then Bela Left. If hena had finished the job. How long did it take her to do it?
উত্তর
2 km
২৬৭০৮
A women says, "If you reverge my own age" the figure represents my age. He is of course, senior to me and the different between our ages is one eleventh of our sum. " What is the age of womend"?
উত্তর
45 years
২৬৭০৯
Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?
উত্তর
1717
২৬৭১০
A tree of heigth 4 m casts a shadow of length 6.5 m. What would be the height of house casting a shadow 26 m long?
উত্তর
100