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1. যদি y=5x+4 এবং 5x+8=40 হয়, তবে y =?

  • A. 28
  • B. 28
  • C. 28
  • D. 28

Answer: Option B

Explanation:

5x + 8 = 40

বা, 5x = 40 - 8

বা, 5x = 32

অতএব x = 32/5

অতএব, y = 5*32/5 + 4

অতএব, Y = 36.

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