One fourth of one third of two fifth of a number is 35. What will be40% of that number  Choose the correct option:
A) 140
B) 420
C) 180
D) 200
E) 220

Rationale: "explanation : ( 1 / 4 ) * ( 1 / 3 ) * ( 2 / 5 ) * x = 35 then x = 35 * 30 = 1050 40 % of 1050 = 420 answer : option b"
Answer: B