21188
Unique Id: 18345
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DIRECTIONS
for the question:
Solve the following question and mark the best possible option.
How many 2 digit numbers can be formed using the digits 1,2,3,4,5 such that digits are not repeated?
A)
120
B)
20
C)
15
D)
None of these
B
Total numbers are 5
So total 2 digit numbers without repetition = 5 × 4 = 20
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