Four circles of equal radii are centred at the four vertices of a square. These 4 circles touch a fifth circle of same radius placed inside the square. The ratio of the shaded area of the circles to the unshaded area of the circles is _____.
A1 : 3
B2 : 3
C3 : 4
D2 : 5
A rectangular piece of land is to be sold off in smaller pieces. The total area of the land is 217 sq. miles. The pieces to the cut out are 162 sq. miles in size. How many smaller pieces of the land can be sold at the given size?
D None of these
please provide the solution
The weight of the big ball is 12 kg. What is the weight of the 6 small balls in the given figure?
A 20 kg
B 25 kg
C 36 kg
D 15 kg
in the figure, one small on left side nullifies one small ball on right side hence 2 small equals one big ball = 12 KG hence one small ball = 6 kg. 6 big balls = 36 kg
A company earned ₹5648000 in a year. If the total expenses were ₹474596, how much money was saved?
The awnser is D
Each floor of a high rise building is fitted with 20 doors. There are 12 floors in each building. There are 25 such buildings in a complex. Calculate the total number of doors fitted in the complex.
The awnser is C