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Direction: Read the following information and answer the question. Five experts on Nano-technology involved in an International Research Project hold a Quarterly Review Meeting in Singapore. There…

Question and options

Direction: Read the following information and answer the question.
Five experts on Nano-technology involved in an International Research Project hold a Quarterly Review Meeting in Singapore. There are certain limitations on their language skills. Expert R1 knows only Japanese and Hindi; R2 is good at Japanese and English; R3 is good at English and Hindi; R4 knows French and Japanese quite well; and R5, an Indian, knows Hindi, English and French.

Which of the following cannot converse without an interpreter?
  1. R2 & R5
  2. R1 & R2
  3. R1 & R3
  4. R3 & R4

Answer and explanation

Correct answer: D - R3 & R4
R3 knows English and Hindi; R4 knows French and Japanese, so they have no common language. The other pairs share a language: R2-R5 English, R1-R2 Japanese, R1-R3 Hindi.

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