৩১৩৬১
If a and b are integers greater than 100 such that a+b=300, which of the following could be the exact ratio of a to b?
উত্তর
9 to 1
৩১৩৬২
In a class, 120 students are male and 100 students are female. 25% of the male students and 20% of the female students are engineering student. 20% of the male engineering students and 25% of the female engineering students passed the final exam. What percentage of engineering students passed the exam?
উত্তর
22%
৩১৩৬৩
At a college football game, 4/5 of the seats in the lower deck of the stadium were sold. If one-fourth of all the seats in the stadium were located in the lower deck, and if 2/3 of all the seats in the stadium were sold, what fraction of the unsold seats in the stadium were in the lower deck?
উত্তর
3/20
৩১৩৬৪
If Arif works alone he will take 20 more hours to complete a task than if he works with Babu to complete the task. If Babu work alone, he will take 5 more hours to complete the task than if he works with Arif to complete the task. What is the ratio of the time taken by Arif to than taken by Babu if each of them works alone to complete the task?
উত্তর
2 : 1
৩১৩৬৫
If Kamal gives 20 marbles to Shuvo, then, both of them will have equal numbers of marbles in their possessions. If Shuvo gives 40 marbles to kamal then Kamal will have twice the number of marbles that Shuvo will retain. What is the number of marbles that Kamal has?
উত্তর
200
৩১৩৬৬
Two merchants sell, each an article for Tk. 1000. If Merchant A computer his profit on cost price, while Merchant B computes his profit on selling price, they end up making profits of 25% respectively. By how much is the profit made by Merchant B greater than that of Merchant A?
উত্তর
50
৩১৩৬৭
After the increase of price of oil by 40%, a family decided to reduce its oil consumption so that the expenditure for oil goes up by 26% only. If the total consumption of oil before the price rise was 10 kg per month, then what is the current consumption of oil per month (in kg)?
উত্তর
9
৩১৩৬৮
Alim and Badrul enter in to a partnership and Alim invests Tk 10,000 in the partnership. At the end of 4 months he withdraws Tk 2000. At the end of another 5 month, he withdraws another Tk 3000. If Badrul receives Tk 9600 as his share of the total profit of Tk 19,100 for the year, how much did Badrul invest in the company?
উত্তর
8,000
৩১৩৬৯
If a and b are integers greater than 100 such that a+b=300, which of the following could be the each color?
উত্তর
9 to 1
৩১৩৭০
A tank is fitted with 8 pipes, some of them that fill the tank and others that are waste pipe meant to those that empty the tank can empty it in 6 hours. If all the pipes are kept open when the tank is full, it will take exactly 6 hours for the tank to empty. How many of these are these are fill pipes?
উত্তর
5