1
AP EAPCET 2021 - 20th August Morning Shift
MCQ (Single Correct Answer)
+1
-0

The value of $${ }^6 P_4+4 \cdot{ }^6 P_3$$ is

A
5040
B
2520
C
840
D
720
2
AP EAPCET 2021 - 20th August Morning Shift
MCQ (Single Correct Answer)
+1
-0

The number of ways in which 3 boys and 2 girls can sit on a bench so that no two boys are adjacent is

A
6
B
10
C
12
D
32
3
AP EAPCET 2021 - 20th August Morning Shift
MCQ (Single Correct Answer)
+1
-0

In how many ways can 5 balls be placed in 4 tins if any number of balls can be placed in any tin?

A
5P4
B
5C4
C
4$$^5$$
D
5$$^4$$
4
AP EAPCET 2021 - 19th August Evening Shift
MCQ (Single Correct Answer)
+1
-0

For $$1 \leq r \leq n, \frac{1}{r+1}\left\{{ }^n P_{r+1}-{ }^{(n-1)} P_{r+1}\right\}$$ is equal to

A
$${ }^n P_n$$
B
$${ }^{n-1} P_r$$
C
$${ }^n P_{n+1}$$
D
$$0$$
AP EAPCET Subjects
EXAM MAP