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प्रश्न
The given spinner is spun twice and the two numbers got are used to form a 2 digit number. How many different 2 digits numbers are possible?
बेरीज
उत्तर
On the first spin we get any of the five numbers to form one’s place then in the second spin the number got will fill 10’s place.
∴ Number of ways = 5 × 5 = 25 ways.
Removing the repetitions (11, 22, 33, 44, 55) once we get 25 – 5 = 20 ways.
20 different two-digit numbers are possible
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