Q56 / 160 · TS EAMCET 2024 (09 May Shift 1) · Mathematics

The sum of all the 4-digit numbers formed by taking all the digits from $2,3,5,7$ without repetition, is

A
331122
B
123312
Correct answer
C
113322
D
132132

Solution

2 comes at the last place 6 times.
Similarly 3, 5, 7 Required sum $=(2+3+5+7) \times 6 \times 1111 \equiv 113322$.

Hence, the correct answer is option: 'C'.

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