The average of 5 consecutive numbers is n. If the next two numbers are also included, the average will :
1 year ago the ratio between A's and B's sakary was 3:4. Rations of their individual salaries between last year's and this year's salaries are 4:5 & 2:3 respectively. At present the total of their salary is Tk. 4160. How much is the salary of A now?
What is the angle between the hour and minute hand of clock when it is 12.20 pm by the clock?
A reduction of 21% in the price of pulse enables a person to by 10.5 kg more for Tk. 100. How much is reduced per kg of pulse?
A man lends Tk 10000 in four parts. If he gets 8% on tk 2000, 7.5% on Tk 4000 and 8.5% on Tk 1400, what percent must he get for the remainder, if the average interest is 8.13%?
A man rows at 6 km/hr in still water and 4.5km/hr against current. His rate along the current is :
A company owns some land and buildings for which the following details are relevant : Cost of land Taka 50,000; cost of building Taka 100,000, estimated life of building 20 years, estimated residual value of building Taka 2000; estimated residual value of land Taka 50,000. The company uses the straight line depreciation method. Which is the correct annual depreciation charge for this asset?
A can do a piece of work in 10 days. While B alone can do it in 15 days. They work together for 5 days and the rest of the work is done by C in 2 days. If they get Tk 450 for the whole work, how much money C should get from the whole?
By walking at 3/4 of his usual speed, a man reaches his office 20 minutes later than usual. His usual time is :