Consider the digits in set `S=(1,2,3,4)`. All four-digit number formed using digits in `S` are arranged ascending order. Which of the following is/are

Question

Consider the digits in set `S=(1,2,3,4)`. All four-digit number formed using digits in `S` are arranged ascending order. Which of the following is/are

Consider the digits in set `S=(1,2,3,4)`. All four-digit number formed using digits in `S` are arranged ascending order. Which of the following is/are correct?
A. The number 3412 is at 177 th
B. the number 3423 is at 183th position
C. the number 3412 is at 178th position
D. the number at 110th position 2342

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - B::C::D
`S=(1,2,3,4)`
`1---=64`
`2----=64`
`3,1---=16`
`3,2---=16` ltbr. `3,3----=16`
`3,4,1,1=1`
`3 4 1 2`
So, number 3412 is at `178^(th)` position. Similarly other options may be checked.

4 views Answered 2023-02-05 15:29