A Self Help Group (SHG) consists of 12 members. Each member saves 100 rupees every month. The group has been in existence for 12 months. During this period, they earned 1,500 rupees as interest from internal lending. They also received a Revolving Fund of 15,000 rupees from the government. What is the total corpus of the group at the end of the year?

A staff member earns ₹600 per day. What is the total income earned for 25 days?

A bank's Social Media Banking platform handles 1,00,000 queries per month. 80% are handled by an AI Chatbot. 20% are transferred to human agents. The cost per chatbot query is 1 Rupee. The cost per human agent query is 50 Rupees. Before the chatbot, all queries cost 50 Rupees each. Calculate the monthly cost saving achieved through this technology trend.