Bangladesh Bank - Assistant Director - 2001

Three workers can do a job in 12 days. Two of the workers work twice as fast as the third. How long would it take one of the faster workers to do the job himself ?

The selling price of 8 shirts is equal to the purchase price of 10 shirts . What is the profit margin ?

What amount of money invested would earn interest of TK. 200 over 4 years at 10% simple interest rates ?

If An organization increases its staff salary by 25% . By what percent must it now decrease the salary to return to the original amount ?

The symbol '%' stands for :

0.03 times 0.05 is :

How much interest will TK. 2,000 earn at annual rate of 10% in one year if the interest is compounded every 6 months ?

A company makes a profit of 5% on its first TK. 1,000 of sales each day, and 4% on all sales in excess of TK. 1,000 for that day . What would be the profit of the company in a day when sales are TK. 6,000 ?

An employee pays 3 workers X,Y and Z a total of TK. 600 a week . X is paid 125% of the amount Y is paid and 80% of the amount Z is paid . How much does X make in a week ?

How much will it cost to fence in a field that is 360 cm long and 160 cm wide with fence that costs tk. 100 a meter ?

How much fence ( in meter ) will be needed to enclose a rectangular field that is 600 cm long and 300 cm wide ?

What is 1 percent of 0.025 ?

If it is 300 kilometers from Dhaka to Chittagong and 180 kilometers form Dhaka to Comilla , what percentage of the distance from Dhaka to Chittagong is the distance form Dhaka to Comilla ?

If in 1997 , 1998 and 1999 a worker received 10% more in salary each year than he did the previous year, how much did he receive in 1999 than in 1997 ?

What was the rate of profit margin ( in % ) if a motor bike which cost tk. 50,000 was sold for tk. 52,000 ?

What annual rate was paid if tk. 50,000 earned tk. 3,000 in interest in two years ?

How much interest will tk. 10,000 earn in 9 months at an annual rate of 6% ?

In a group of 60 probationary officers, 40% of them were promoted, 12 of them were terminated and rest to them were placed on probation for the second time. What percent of the probationary officers were placed on probation for the second time ?

What is the rate of discount if a car which cost tk. 3,00,000 is sold for tk. 2,79,000 ?

Four students aged 11,9, 7 and 4 share a sum of money in the ratio of their ages . If the youngest student receives TK. 1,200 what is the sum of money ?