Question

Write all 4-digit numbers that can be formed with the digits2 and 5, using both digits equal number

of time and find their sum.

(a) 23331

(b) 32451

(c) 56432

(d) 11452​

Answer 1

Answer:

2255, 2525, 2552, 5522, 5252, 5225 Sum = 23,331

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