pit solutions Interview Questions

A. (3 + 2√2)

B. (3 + 3√2)

C. (3 + 5√2)

D. (3 + 7√2)

A. after 10 mins

B. after 8 1/2 mins

C. after 9 mins

D. after 12 mins

A. 1 and 2

B. {x: x >3, x ?0} ? ?

C. {x: x2-1= 0, x ?N} ? {-1, 1}

D. {x: x2 - 4x + 3 = 0} = {1, 3}