A rectangular fish tank 25m by 9m has water in it to a level of 2m . This water is carefully poured into a cylindrical container with a diameter of 10m . How high will the water reach in the cylindrical container?
In a club 50% of the male voters and 80% of the female voters voted for candidate A . If candidate A received 70% of the total votes, what is the ratio of male to female voters?
An iron rod that weighs 24 kg is cut into two pieces so that one of these pieces weighs 16 kg and is 34m long. If the weight of each piece is proportional to its length. how long is the other piece?
The price of a pen is 25% more than the price of a book . The Price of a pen holder is 50% more than the price of the book. How much is the price of the pen holder more than the price of the pen?
A 10% monthly salary increase resulted in a Tk. 9000 per year increase in salary for an employee . what was his monthly salary before the increase?
A garden of 100 m length and 60 m width has a walkway of 2m width on every side. what is the area of the garden , in square meter, excluding the walkway?
Three angles of a triangle are in proportion 5: 6:7 . Then what is the difference in degrees between the biggest and the smallest angles?
Increasing the original price of an item by 10% , then decreasing by 20% and then again increasing the price by 10% is equivalent.
The sum of principal and simple interest of a certain amount of money would be Tk. 460- after 3 years from now and Tk. 500 after 5 years from now. What is the total interest rate?
The ratio betwwn the perimeter and the breadth of a rectangular is 5:1. If the area of the rectangle is s216 cm2 What isthe length of the rectangle?
An article when sold at a gain of 5% yields Tk. 15 more than when sold at a loss of 5% . Its cost price would be
If for integer x, 5
A water tank has two taps (Tap-1 and Tap-2) . Tap -1 can fill a tank in 8 hours and Tap-2 can empty the tank in 16 hours . How long will they take to fill the tank if both taps are opened simultaneously but Tap-2 is closed after 8 hours ?
The interest charged on a loan is p dollars per $1,000 for the first month and q dollars per $1,000 for each month after the first month . How much interest will be charged during the first three months on a loan of $ 10,000?
Triangle ABC has the following vertices: A (1,0) , B (5,0) and C (3,4) . which of the following is true ?
If a>b>1, then which of the following is true?
when 6 gallons of gasoline are put into a car, the indicator goes from 1/4 to 5/8 . what is the total capacity of the gasoline tank?
A square carpet with an area of 169 cm2 must have 2 cm cut off one of its edges in order to be a perfect fit for a rectangular room. what is the area (in cm2) of this rectangular room ?
A box contains 12 poles and 7 pieces of net. Each piece of net weighs 0.2 gm. each pole weighs 1.1 gm. The box and its contents together weigh 16.25 gm. How much does the empty box weigh?
The average of 6 numbers is 25. If 3 more numbers , with an average of 22 are added to these numbers, what will be the average of the combined 9 numbers?
In a container , there are 2 green marbles and 2 red marbles. You randomly pick the marbles. what is the probability that both of them are green?
Three boys have marbles in the ratio of 19: 5: 3 If the boy with the least number has 9 marbles, how many marbles does the boy with the greatest number have?
If an inspector rejects 0.08% of a product as defective, how many units of the product will be examined in order to reject 2?
A box is made in the form of a cube. If a second cubical box has inside dimensions three times those of the first box, how many times as much does the second box contain?
In June a baseball team that played 60 games had won 30% of its games played . After a phenomenal winning streak this team raised its average to 50% . How many games must the team have won in a row to attain this average?
The sum of principal and simple interest of a certain amount of money would be Tk. 460 after 3 years form now and Tk. 500 after 5 years form now. what is the total interest rate?