Two numbers are in the ratio 5:4 and their difference is 10. What is the largest number ?
Raina is twice as old as Saima. Three years ago, Raina was three times as old as Saima. How old is Raina now ?
Four persons can complete a job in 8 days. After four days two persons have left the work. How many days would it take for the remaining persons to complete the world ?
Out of 7500 candidates 75% were offered to study in Arts and 45% in Business. How many were offered both ?
The price of a certain DVD is discounted by 10% and the reduced price is then discounted by another 10%. This series of successive discounts is equivalent to a single discount of :
A zookeeper counted the heads of animal and found it to be 80. When he counted the legs of animals, he found the number to be 260. If the zoo had either Pigeons or horses, how many horses were there in the zoo ?
The speed of a boat is 10km per hour(kph) and the speed of the river current is 5 kph. The boat traveled 5 hours in favour of the current and then returned to the stating point. What was the time to return ?
How many 1-inch square tiles would it take cover the floor of a closet that has dimensions 5 feet by 4 feet ?
2^30+2^30+2^30+2^30= ?
What must be added to 1/x for making it equal to x ?
If the difference between the circumference and diameter of a circle is 60 cm, then the radius of the circle is :
If the perimeter of a rectangular flower bed is 30 feet, and its area is 44 square feet, What is the length of each of its shorter sides ?
which one is true for the mathematical expression 2n+2n-12n+1-2n?
Simplify (2x-1)2 ÷x-5
If a + b = 3 and a-b=2 , what is the value of 8ab(a2+b2)?
In the following image, ASB is a quarter of a circle . PQRS is a rectangle with sides PQ= 8 and PS =6 . what is the lenght of the are AQB?
A train is travelling at 100 km per hour (Kmh) overtakes a motorbike travelling at a speed of 65 kmh in 40 seconds . What is the length of the train in meters?
If a and b are positive real numbers , then ( (a°-3b°)5=?
A gardener plants 17956 trees in such a way that there are as many rows as the number of trees in a row. What is the number of trees in a row ?
Two friends M and N have 40% and 60% shares in a business. After some time a third friend joined the business by investing Tk 5 Lac and acquired 20% shares in the business. What is the share of M in the business now ?