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Byju's Answer
Standard XII
Mathematics
Permutation: n Different Things Taken r at a Time
27, 63, 123, ...
Question
27, 63, 123, 153, 203, 273
A
273
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B
203
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C
123
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D
153
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Solution
The correct option is
B
203
All numbers are multiple of 3 except 203
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Permutation: n Different Things Taken r at a Time
Standard XII Mathematics
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