The ratio of boys and girls in a class 1 : 2 and the classroom has 24 students. How many boys would have to be admitted to make the ratio of boys to girls 1 : 1?

The compound interest at 10% per annum on certain amount of money for two years is Tk. 10.50. What is the prin...

What is the minimum number of apples that must be added to the existing stock of 264 apples so that the total...

In a club 60% members are male and 70% members are graduates. Again, 50% of the graduate members are male. Wha...

6 men or 8 women can do a work in 18 days. How many days will it require to complete the whole work if 3 men a...

In a cash box, there are equal numbers of 10 paisa, 25 paisa and 50 paisa coins. If the box contains Tk. 170 i...

Price of paper has increased by 20%. Approximately, what percent of the paper usage must be curtailed so that...