1
TS EAMCET 2023 (Online) 12th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

A student is allowed to select at most $n$ books from a collection of ( $2 n+1$ ) books. If the total number of ways in which he can select at least one book is 255 , then the value of $n$ is

A
4
B
5
C
6
D
7
2
TS EAMCET 2023 (Online) 12th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
The number of ways of arranging all the letters of the word "SUNITHA" so that the vowels always occupy the first, middle and last places is
A
5040
B
24
C
3
D
144
3
TS EAMCET 2023 (Online) 12th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
The number of all four digit numbers that can be formed with the digits $0,1,2,3,4,5$ when the repetition of the digits is not allowed, is
A
360
B
600
C
240
D
300
4
TS EAMCET 2023 (Online) 12th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
The number of four digit numbers that can be formed using the digits $1,2,3,4,5,6$ and 7 which are divisible by 4 , when the repetition of any digit is not allowed,
A
100
B
200
C
300
D
400
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