In how many ways can the letters of the word "APPLE'' be arranged?
If (a-b) is 6 more than (c+d) and (a+b) is 3 less than (c-d) ,Than ( a-c) is -
The least number by which 1470 must be divided to get a number which is a perfect square is-
The average of a non-zero number and its square is 5times the number. The number is-
Three-fourth of a number is 60 more than its one third. The number is-
Eighteen years ago , a father was three times as old as his son. Now the father is only twice as old as his son. Then the sum of the present ages of the son and the father is-
A sells an article which cost him TK.400 to B at a profit of 20%.B then sells it to C, making a profit 10% on the price he paid to A. How much does C pay B?
The ratios of incomes of A and B is 5:4 and the ratio of their expenditures is 3:2. If at the end of the year each save tk 1600,then the income of A is:
A started a business with tk 21000 and is joined afterwards by B with tk 36000. After how many months did B join if the profits at the end of the year are divided equally?
If 12 carpenters, working 6 hours a day,can make 460 chairs in 24 days, how many chairs will 18 carpenters make in 36days, each working 8 hours a day?
A and B can do a work in 12days,B and C in 15days,C and A in 20days.If A,B and C work together ,They will complete the work in:
A tap can fill a tank in 6hours.After half hour the tank filled ,three more similar taps are opened.What is the total time taken to fill the tank completely?
A man walking at the rate of 5 km/hr crosses a bridge in 15 minutes. The length of the bridge (in meters) is-
A train takes 18 sec to pass completely through a station 162m long and 15 seconds through another station 120m long.The length of the train-
If a boat goes 7km upstream in 42 minutes and the speed of the stream is 3kmph,then the speed of the boat in still water is-
Tea worth tk. 126 per kg and Tk.135 per kg are mixed with a third variety in the ratio 1:1:2. If the mixture is worth tTk.153 per kg,The price of third variety per kg will be:
In how many years, Tk. 150 will produce the same interest @8% Tk.800 produce in years @4.5% ?
The compound interest on Tk 30,000 at 7% per annum is TK.4357. The period (in years) is:
A rectangular plot measuring 90 meters by 50 meters is to be enclosed by wire fencing.If the poles of the fence are kept 5meteres apart,how many poles will be needed?
A can run 22.5m while B runs 25m. In kilometre race B beats A by-
On 8th feb,2005 it was tuesday. What was I the day of the week on 8Th feb,2004?
At what time between 7 and 8 O'clock will the hands of a clock will be in the same straight line but not together?
A 6% stock yeilds 8%. The market value of the stock is :
What least number must be added to 1056, So that the sum is completely divisible by 23?
Sixty-five percent of a number is 21 less than; four-fifth of that number.What is the number?