GMAT Data Sufficiency

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Source: OG11th

Level: 4

How many integers are there between, but not including, integers r and s ?

(1)s-r= 10

(2)There are 9 integers between, but not including, r + 1 and s + 1.

  • A Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
  • B Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
  • C BOTH statement TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
  • D EACH statement ALONE is sufficient.
  • E Statements (1) and (2) TOGETHER are NOT sufficient.

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