Q:32 (Brain Teasers) A rectangular sheet of paper with sides 1 and root2 has been folded once as shown, so that one corner just meets the opposite long edge. What is the value of the length d?

Q:31 (Brain Teasers) In the given fig. AB=BC=CD=DE=EF=FG=GA. Find angle DAE.

Q:30 (Brain Teasers) The diagram shows some squares whose sides intersect other squares at the midpoints of their sides. The shaded region has total area 7. Find the area of the largest square.

Q:29 (Brain Teasers) The diagram shows a large square with each of its sides divided into four equal segments. The shaded square whose sides are diagonals drawn to these divisions points has area 13. Find the area of large square.

Q:28 (Brain Teasers) In the give fig. fig. , OP and OQ are angle bisector of ∠AOC and ∠DOB respectively. If ∠AOD =18 and ∠BOC=24, then find ∠POQ.

Q:27 (Brain Teasers) In the give fig. fig. , if PQ || RS, then find the value of x.

Q:26 (Brain Teasers) As shown fig. Find ∠A+∠B+∠C+∠D+∠E+∠F+∠G = ?

Q:25 (Brain Teasers) As shown fig. all lines are straight . Find ∠A+ ∠B+ ∠C+ ∠D+ ∠E+ ∠F+ ∠G+ ∠H+ ∠I+ ∠J = ?

Q:24 (Brain Teasers) Find Length XY, If BX and CY are perpendicular on AD

Q:23 (Brain Teasers) F, G and H are squares of given dimensions , find Area of shaded region.

Q:22 (Brain Teasers) C, D and E are squares of given dimensions , find Area of shaded region.

Q:21 (Brain Teasers) A and B are squares of given dimensions , find area of the shaded region.

Q:20 (Brain Teasers) In the figure , ABCD is a 6 X 6 square with centre O . EOF is a right angled triangle with OE=8 and OF=6.Find the area of the shaded region.

Q:19 (Brain teasers) Nine squares are arranged to form a rectangle as shown. The smallest square has side of length 1 , What is area of the rectangle.

Q:18 (Brain Teasers) Two 3 X 9 rectangles are arranged as below, so that an opposite pair of vertices of each coincide. What is the area of the parallelogram which forms their intersection.

Q:17 (Brain Teasers) In the figure below, if the area of the letter L part equals the area of the triangle, and the length of the base and of the height is 1, what is length x of the ends of the L.

Q:16 (Brain Teasers) In the figure, the length of side AB of square ABCD is 50^(1/2), E is between B and H, and BE = 1. What is the the area of the inner square EFGH ?

Q:15 (Brain Teasers) Squares ABCD and EFGH are congruent, AB= 10, and G is the center of square ABCD. Find the area of Shaded region.

Q:14 (Brain Teasers) The shaded rectangle has an area of 9 sq. units . Find the area of rectangle ABCD.

Q:13 (Brain Teasers) In a square ABCD , what is the area of triangle BEF , if ar(AFB)=4 sq. units ,ar(FDE) =5 sq. units, and ar(ECB)=3 sq. units.