Each one of A and B has some money. If A gives ₩30 to B then B will have twice the money left with A. But, if B gives ₩10 to A then A will have thrice as much as is left with B. How much money does B have?
The coordinates of one end point of a diameter AB of a circle are A(6,−2) and the coordinates of the center of the circle are C(−3,1). Find the coordinates of B.
In the given figure, ABCD is a quadrilateral such that ∠D=90∘. A circle with center O and radius r, touches the sides AB,BC,CD, and DA at P,Q,R, and S respectively. If BC=43cm,CD=28cm, and BP=33cm. What is the radius of the circle?
To warn ships for underwater rocks, a lighthouse throws a red colored light over a sector of angle 90∘ to a distance of 6.3km. Find the area of the sea over which the ships are warned. ( Use π=227)
A capsul is in the shape of a cylinder with two hemispheres stuck to each of its ends. The length of the entire capsul is 33 mm and the diameter of the capsul is 17 mm then choose its correct surface area .
Two coins are tossed simultaneously 500 times and it is found that two tails appeared 250 times, one tail appeared 150 times and no tails appeared 100 times.
If two coins are tossed at random, what is the probability of getting 2 tails ?
In this diagram, the triangle represents women, the square represents lawyers and the circle represents tall. Find the number of women who are tall but not lawyers.