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How many New Year's greeting cards were sold this year in your shop ?

Statements:

1. Last year 2935 cards were sold.

2. The number of cards sold this year was 1.2 times that of last year.

  • A.1 alone is sufficient while 2 alone is not sufficient
  • B.2 alone is sufficient while 1 alone is not sufficient
  • C.Either 1 or 2 is sufficient
  • D.Both 1 and 2 are sufficient

Answer: D

Correct answer: Both 1 and 2 are sufficient

Statement 1 gives last year’s figure of 2935 and statement 2 the ratio of 1.2, so this year’s sales are 2935 x 1.2 = 3522. Each is useless alone - a base without a ratio, or a ratio without a base - and together they give a single number.

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