In how many ways can the letters of the world 'APPLE' be arranged?
If (a-b) is 6 more than (c+d) and (a+b) is less than (c-d) then (a-c) is:
The lest 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 time 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-
Sixty-five percent of a number is 21 less than; four-fifth of that number.What is the number?
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 of 10% on the price he paid to A. How much does C pay B?
The ratio of the incomes of A and B is : 4 and the ratio of their expenditure is 3 : 2. If at the end of the year, each saves Tk. 1600, then the income of A is:
If 12 carpenters, working 6 hours a day, can make 460 chairs in 24 days, how many chairs will 18 carpenters make in 36 days , each working 8 hours a day?
A and B can do a work in 12 days , B and C in 15 days , C and A in 20 days. If A,B and C work together,they will complete the work in :
A tap can fill a tank in 6 hours. After half the tank is filled, there 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 seconds to pass completely through a station 162 m long and 15 seconds through another station 120 m long. The length of the train is-
If a boat goes 7 km upstream in 42 minutes and the speed of the speed of the stream is 3 kmph, the speed of the boat in still water is
Tea worth Tk. 165 per kg and Tk. 135 per Kg are mixed with a variety in the ratio 1 : 1 : 2. If the mixture is worth Tk. 153 kg, the price of the third variety per kg will be:
In how many years , Tk. 150 will produce the same interest @8% Tk. 800 produce in 3 years @4.5%?
The compound interest on Tk. 30,000 at 7% per annum is Tk. 4347. The period (in year) is:
A rectangular plot measuring 90 meters by 50 meters is to be enclosed by wire fencing. If the pole of the fence are kept 5 meters apart, how many poles will be needed ?
A can run 22.5 m while B runs 25 m. In a kilometer race B will beat A by:
On 8th Feb, 2005 it was Tuesday. What was the day of the week on 8th Feb,2004?
At what time between 7 and 8 O'clock will the hands of a clock in the same straight line but, not together?
A 6% stock yields 8%. The market value of the stock:
What least number must be added to 1056, So that the sum is completely divisible by 23?
A started a business with Tk. 21,000 and is joined afterwards by B with Tk. 36,000. After how many months did B join if the profits at the end of the year are divided equally?