How Many Numbers Can Be Formed Using a Certain Number of Digits?
Find the corr...
Question
Find the correct option such that the formation of 3 numbers, using three digit number 128? (Without repeating the numbers)
A
281,221 and 182
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B
281,851 and 182
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C
681,821 and 182
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D
281,821 and 182
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Solution
The correct option is D281,821 and 182 128 can be written using the general form abc=100×a+10×b+c By changing the alphabetic orders of a,b,c, we get 3 more numbers from 3 digit number. Here, 281,821 and 182 are formed from the 3 digit number 128.