A survey was conducted on 80 families to know about their most favourite place to visit out of 6 particular locations.The same has been shown in the following pie chart.
What is the central angle for the families who showed interest for visiting Jaipur?
Ankit invests some money at 9% simple interest for 2 years, and the same sum for 4 years at 10% per annum. He earns âšl,740 in all. The sum invested in each case is: