Question

Find the 2-digit numbers that can be formed from the given digits: 1, 2, 3, 4 and 5 assuming that
a) digits can be repeated
b) digits are not allowed to be repeated.
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Answer 1

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$\Large\fbox{\color{purple}{QUESTION}}$

Find the 2-digit numbers that can be formed from the given digits: 1, 2, 3, 4 and 5 assuming that

a) digits can be repeated

b) digits are not allowed to be repeated.

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$\bf\Huge\red{\mid{\overline{\underline{ ANSWER }}}\mid }$

✴➡️a) By the multiplication principle, the number of ways in which three-digit numbers can be formed from the given digits is 5 × 5 × 5 = 125

✴➡️b) By the multiplication principle, the number of ways in which three-digit numbers can be formed without repeating the given digits is 5 × 4 × 3 = 60

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Answer 2

Answer:

SOLUTION:-

⭐➡️a) By the multiplication principle, the number of ways in which three-digit numbers can be formed from the given digits is 5 × 5 × 5 = 125

⭐➡️b) By the multiplication principle, the number of ways in which three-digit numbers can be formed without repeating the given digits is 5 × 4 × 3 = 60