Three-fourths of a cross and a circle complete, two semi-circles with a perpendicular meet. Then add a triangle that stands on 2 feet, Two semi-circles and a circle complete. What am I?
Square ABCD has a side length of 4. Construct a quarter circle with radius 4 centered at B and a semi-circle with diameter AD. What is the area of overlap between the quarter circle and semicircle?
In how many ways the corners of a square be colored using four colors? 1. If repeat of the colors is allowed. 2. If repeat of the colors is not allowed.
There are 3 boys and 4 girls. We have to arrange any 1 boy at the center and any 2 girls at corners. In how many methods these persons can be arranged.
