RRB Group D 18-Sep-2018 Shift 1 Solved Paper

© examsiri.com

Question : 46 of 100

Marks: +1, -0

If a + b + c = 2s, then [(s – a)² + (s – b)² + (s – c)² + s²] = ?

(s² – a² – b² – c²)
(s² + a² + b² + c²)
(a² + b² + c²)
(4s² – a² – b² – c²)

Go to Question:

Prev Question

Next Question