1
TS EAMCET 2022 (Online) 18th July Evening Shift
MCQ (Single Correct Answer)
+1
-0

The exponent of 6 in 72 ! is

A

34

B

70

C

17

D

35

2
TS EAMCET 2022 (Online) 18th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

The number of 3-digit odd numbers divisible by 3 that can be formed using the digits $1,2,3,4,5,6$ when repetition is not allowed, is

A

18

B

21

C

24

D

36

3
TS EAMCET 2022 (Online) 18th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

$$ \text { Match the items of List-I to the items of List-II } $$

List-I List-II
(A) The number of ways of not selecting ( $n-r$ ) things from $n$ different things (I) $1+{ }^n C_1+{ }^n C_2+\ldots+{ }^n C_r$
(B) $\quad(n-r+1) \cdot{ }^n C_{r-1}$ (II) $(r+1) \cdot{ }^n C_{r+1}$
(C) The number of ways of selecting atleast ( $n-r$ ) things from $n$ different things (III) $r \cdot{ }^n \mathrm{C}$,
(D) $(n-r)\left({ }^{(n-1)} C_{r-1}+{ }^{(n-1)} C_r\right)$ (IV) $$
\begin{aligned}
& 2^n-1-n- \\
& { }^n C_2-\ldots-{ }^n C_r
\end{aligned}
$$
(V) ${ }^n C_{n-1}$
A
A B C D
V III IV II
B
A B C D
I II IV III
C
A B C D
V III I II
D
A B C D
I V IV III
4
TS EAMCET 2020 (Online) 14th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

Consider the following statements:

I. The number of positive integral solutions of $x_1+x_2+x_3+x_4=10$ is 286 .

II. If $25!=10^n \times k,(k \in \mathbf{N})$, then $n=6$

Which one of the following options is true?

A

Only I is true

B

Only II is true

C

Both I and II are true

D

Both I and II are false

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