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A varies inversely with the product of B and C. When B = 9 and C = 5, then A = 12. When B = 15 and C = 4, then the value of A is:

3021Easy DSSSB TGT Computer Science 0 replies

A varies inversely with the product of B and C. When B = 9 and C = 5, then A = 12. When B = 15 and C = 4, then the value of A is:

  • A16
  • B8
  • C9
  • D18
Correct answer: C

Explanation

A × B × C is constant: 12 × 45 = 540. For B = 15 and C = 4, A = 540/60 = 9.
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