Instructions: Study the following diagram to answer the questions.
If what diameter of each circle is 14 cm and DC = CE, the area of triangleBDE is
If it is known that the the radius of each of the inscribed circles is 7 units then the area of the shaded region of square ABCD is ?
For the following questions answer them individually
Nitin rides a bicycle at the speed of 15 kms/hr, but stops for 10 minutes to take rest every 20 kms. How much time will he take to cover a distance of 150 kms, ?
Ratio of earnings of A and B is 8 : 9 respectively. If the earnings of A increase by 50% and the earnings of B decrease by 25%, the new ratio of their earnings becomes 16:9 respectively. What are A's earnings?
9 Men working for 7 hours a day can complete a piece of work in 15 days. In how many days can 6 men working for 9 hours a day, complete the same piece of work ?