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If a # b = 2a + b and a $ b = a − 2b, then the value of (4 # 3) $ 2 is

2011Medium DSSSB TGT Computer Science 0 replies

If a # b = 2a + b and a $ b = a − 2b, then the value of (4 # 3) $ 2 is

  • A5
  • B11
  • C9
  • D7
Correct answer: D

Explanation

4 # 3 = 2 × 4 + 3 = 11, and 11 $ 2 = 11 − 2 × 2 = 7.

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