Questions
The number of four digited numbers formed by 1, 2, 5, 6, 7 divisible by 25 is
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By Expert Faculty of Sri Chaitanya
a
42
b
12
c
26
d
46
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Correct option is B
Given digits are 1, 2, 5, 6, 7A number is divisible by 25 when last 2 digits of the number is divisible by 25.
Last 2 boxes can be filled by 25, 75 in 2 ways
Remaining 2 boxes can be filled by remaining 3 digits in
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