From 7 boys and 5 girls, 6 are to be selected for admission for a particular course. In how many ways can this be done if there must be exactly 3 girls?
If one angle of a parallelogram is 60 degrees, find the number of degree of remaining angles.
If 6 and x have the same mean as 2, 4 and 24, what is the value of x?
If (X+Y)=9 and X/Y = 2, then X is equal to :
In a shipment of 250 machine parts, 4% were defective. In another shipment of 50 parts, 10% were defective. For two shipments combined what percent of the machine parts were defective?
If the legs of a right triangle is 3 and 4, then the length of hypotenuse is approximately :
If 16(4a)=1, find the value of a.
Jahan spends 50% of her salary for house rent, 20% for grocery and 5% for her kid's entertainment. She deposits the remaining Taka 6,000 in a bank. What is her salary in Taka?
On a bus all the children's fare is Tk. 840. If the fare of one children is Tk. 60 which is 3/4 of the adult's fare, calculate the adult fare.
Let A, B and C shares profit at the ratio of 2 : 3 : 7 and A and B together get Tk. 1500 less than C gets. How much A will get :
If 1 degree = 1, then 100 degree is :
Due to reduction in the bus fare by 15%, the number of passengers on a certain route increased by 40% then. What will be the percentage increase in revenue?
A rectangle area of 16 meters by 12 meters, is surrounded by a road of 3 meters wide. The area of the road is :
If x = 4, (x2+x12)=?
In class of 50 students, 18 take music, 26 take art, and 2 take both music and art. How many students in the class are not enrolled in either music or art?