In what ratio must tea at Rs.64 per Kg be mixed with tea at Rs.74 per Kg so that the mixture must be worth Rs.69 per Kg?	Answers:
A) 1 : 1
B) 3 : 2
C) 4 : 3
D) 5 : 3
E) none

Rationale: "required ratio = 500 : 500 = 1 : 1 answer a"
Answer: A