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Binomial Distribution — Maths STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceMathsBinomial Distribution1 Mark
MCQ
A five $-$ digit number is written down at raddom. The probability that the number is divisible by $5,$ and no two consecutive digits are identical, is:
  • A
    $\frac{1}{5}$
  • ✓
    $\frac{1}{5}\big(\frac{9}{10}\big)^3$
  • C
    $\big(\frac{3}{5}\big)^4$
  • D
    $\text{None of these}$
✓

Answer

Correct option: B.
$\frac{1}{5}\big(\frac{9}{10}\big)^3$
$\frac{1}{5}\big(\frac{9}{10}\big)^3$

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