एक कक्षा में कई छात्र एक पंक्ति में खड़े हैं। दोनों ओर से गणना करने पर, एक छात्र का स्थान 63वां पाया जाता है। पंक्ति में कुल कितने छात्र हैं?

Niti is older than Mana. Mana's age is not the same as Sukti's. Chanda is older than Sukti, but her age is not the same as Niti's. Rumana is older than Niti. Who is the eldest among them all?

Ashish, Shiv, Reema, Paresh, Dilip, Madhu and Karan live on seven different floors of the same building. The lowermost floor is numbered 1, the floor above it is 2, and so on till the topmost floor is numbered 7. Only one person lives between Madhu and Dilip. Only two people live between Ashish and Paresh. Shiv lives immediately below Karan. Dilip lives immediately above Ashish. Only two people live below Karan. How many people live between Shiv and Reema?