If a nucleus ᴢXᴬ emits 9α and 5β-particles, then the ratio of total protons and neutrons

If a nucleus ᴢXᴬ emits 9α and 5β-particles, then the ratio of total protons and neutrons in the final nucleus is

Options

(a) (Z-13)/(A-36)
(b) (Z-13)/(A-Z-13)
(c) (Z-18)/(A-36)
(d) (Z-13)/(A-Z-23)

Correct Answer:

(Z-13)/(A-Z-23)

Explanation:

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