Priti earns a 5% commission for each mobile phone she sells. In first week she sold 120 mobile phones of value ₹ 12000 each, in second week she sold 70 mobile phones of value ₹ 30000 each and in third week she was able to sold 90 mobile phones of value ₹ 10000 each. How much commission she earned in these three weeks?
Five circles of different radii are made on the diameter of the big circle. If the circumference of the big circle is 110 cm, then find the sum of the circumference of 5 small circles.
Study the given figure and answer the following questions.
There are ____ triangles in the given figure.
The correct answer is D