Q 23 The letters of the word SIGNATURE are
arranged among themselves. Find the
probability of always having NET in the word.
Ops: A
1/42
B.
7/9
C.
1/3
D
1/72
Answers
Answer:
B 7/9
thus will be the correct answer..
hope it help u ..
Given : The letters of the word SIGNATURE are arranged among themselves.
To Find : the probability of always having NET in the word.
Solution:
SIGNATURE
Has 9 Distinct Letters
Total Possible arrangement = 9 !
always having NET in the word.
Lets Take NET as 1 and Rest 6
so total 7
Hence 7 ! Ways
probability of always having NET in the word.
= 7! / 9 !
= 7! / 9 * 8 * 7 !
= 1/72
option D is correct
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