1
TS EAMCET 2023 (Online) 14th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

If the solution for the differential equation $y^2 d x+\left(x^2-x y-y^2\right) d y=0$ at $(2,1)$ is $x+y=k\left(x y^2-y^3\right)$, then $k=$

A

-3

B

-4

C

4

D

3

2
TS EAMCET 2023 (Online) 14th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The general solution of the differential equation $\frac{d y}{d x}+\frac{y}{x}=x^2$ is

A

$x y=\frac{x^2}{2}+C$

B

$x y=\frac{x^3}{3}+C$

C

$x y=\frac{x^4}{4}+C$

D

$x y=\frac{x^5}{5}+C$

3
TS EAMCET 2023 (Online) 14th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The number of ways in which 6 men and 4 women can be seated around a table, so that a particular man and a particular woman never sit adjacent to each other is

A

9 !

B

$7 \times 8$ !

C

$8 \times 8$ !

D

$6 \times 7$ !

4
TS EAMCET 2023 (Online) 14th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Match the following.

(Take the relative strength of the strongest fundamental forces in nature as one)

List-I
(Fundamental forces in nature)
List-II
(Relative strength)
(A) Strong nuclear force (e) $10^{-2}$
(B) Weak nuclear force (f) 1
(C) Electromagnetic force (g) $10^{10}$
(D) Gravitational force (h) $10^{-13}$
(i) $10^{-39}$
A

A-f, B-i, C-e, D-h

B

A-f, B-h, C-e, D-g

C

A-f, B-h, C-e, D-i

D

A-f, B-e, C-h, D-i

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