Based on the production data of five companies (A, B, C, D, E) over two years (Y1, Y2): Let J1 = The average production of company A in years Y1 and Y2 (where Y1=50, Y2=100). Let J2 = Sum of production of companies B, C, and D in years Y1 and Y2 (where B: Y1=90, Y2=120; C: Y1=30, Y2=80; D: Y1=80, Y2=50). What is the value of (J2/J1)?

Which Indian independence movement leader was primarily known for his philosophy and practice of non-violent civil disobedience?

Who gave the call for 'Do or Die' during the Quit India Movement in 1942?

Which of the following revolutionary pairs were imprisoned together in Cellular Jail and faced harsh conditions, contributing significantly to the Indian independence movement?