If the length of rectangle A is one -half of the length of rectangle B , and the width of rectangle A is one -half of the width of rectangle B, what is the ratio of the area of rectangle A to the area of rectangle B?
If w is 10% less than x, and y is 30% less than Z, then why is what percent less than xz?
A tree increases annually by 1/8 of its height. By how much will it increase after 2 years, if it stands today 64 cm high?
A man loses Tk. 55.50 yearly when the annual rate of interest falls from 11.5% to 10% his capital is:
The population of a certain town increases by 50 percent every 50 years. If the population in 1950 was 810 , in year was the population 160?
The average of three Numbers is U. If two numbers are x and y, which is the third number?
the angles of a triangle are in the ratio 5: 4: 3 How many degrees are there in the largest angle?
If m and p are positive integers and ( m +p) m is even , which of the following must be true?
If xy = 2 and xy2= 8 , what is the value of x?
If a +2b= 6 , ab =4 what is 2/a + 1/b ?
If a and b are integers greater than 100 such that a+b =300 , which of the following could be the exact ratio of a to b?
At the beginning of a class period, half of the students in a class go to the library. Later in the period, half of the remaining students go to the computer lab. If there are 5 students remaining in the class, how many students were originally in the class?
The number of parallelograms that can be formed from a set of four parallel lines intersecting another set of three parallel lines is
Bus fare recently was increased form Taka 0.85 to Taka 1.00 what was the approximate percentage of increase?
The next number in the sequence , 3, 6 m 11, 18, 27, .... is
what is the H. C.F of the numbers 36 , 54 and 90?
The area of circle A is 6.25 sq. in. If radius of the circle is doubled, what is the new area of circle A in sq. in?
If 10 % of x is equal to 25% of y, and y =16 what is the value of x?
Every 3 minutes , 4 liters of water are poured into a 2,000 litre tank . After 2 hours, what percent of the tank is full?
If two fair coins are flipped, what is the probability that one will come up heads and the other tails?
The number of different signals which can be given form 6 flags of different colours taken one or more at a time is
A shopkeeper buys a box of candles for Tk. 18.00 If he wants to make a profit of 45% , how much should he resell them for?
If both x and y are prime numbers, which of the following cannot be the product of x and y?
which of the numbers below is not equivalent to 4% ?