The number of odd numbers lying between 40000 and 70000 that can be made from the digits 0, 1, 2, 4, 5, 7 if digits can be repeated any number of times is
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a
1125
b
1296
c
766
d
655
answer is B.
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Detailed Solution
The no of numbers =2×64 The no of odd numbers=2×642=1296
The number of odd numbers lying between 40000 and 70000 that can be made from the digits 0, 1, 2, 4, 5, 7 if digits can be repeated any number of times is