एकल अंकों की दी गई श्रृंखला को देखें और निम्नलिखित प्रश्न का उत्तर दें: (बायां) 1 4 3 0 2 2 4 6 3 7 2 4 8 4 0 3 3 4 2 4 0 7 0 0 4 9 2 9 9 0 (दायां) बाईं ओर से पहले (1st) अंक और दाईं ओर से बारहवें (12th) अंक का योग कितना होगा?

What is the sum of the cubes of the first 10 odd natural numbers?

A vaccination drive is carried out in a village of 1000 people. The beneficiaries arrive one by one and are assigned to groups in a repeating sequential block pattern: the first 1 person goes to Group A, the next 2 people to Group B, the next 3 people to Group C, the next 4 people to Group D, and the next 5 people to Group E. After the 5th member of Group E is placed, the cycle repeats from Group A with 1 member, and so on. To which group does the 1000th last beneficiary belong?