Radhika bought a dozen pens at the rate of Rs 5.00 per pen. She sold 6 of them for Rs 7.5) each and the rest for Rs 6.75 each. What was the profit or loss?

Aplane intersects a pris paralel to the base of the prism. the cross section is a polygon wth eight sides. how many sides does the base of the prism have? a. 10 b. 8 c. 7 d. 9