Recent questions without answers

0 votes
0 answers
1285
0 votes
0 answers
1286
The eigenvalues of matrix $\begin{bmatrix} 9 & 5 \\ 5 & 8 \end{bmatrix}$ are$-2.42$ and $6.86$$3.48$ and $13.53$$4.70$ and $6.86$$6.86$ and $9.50$
0 votes
0 answers
1287
For the parallelogram OPQR shown in the sketch, $\overrightarrow{OP}=a \hat{i}+b \hat{j}$ and $\overrightarrow{OR}=c \hat{i} +d \hat{j}$. The area of the parallelogram is...
0 votes
0 answers
1288
The solution of the ordinary differential equation $\dfrac{dy}{dx}+2y=0$ for the boundary condition, $y=5$ at $x=1$ is$y=e^{-2x}$$y=2e^{-2x}$$y=10.95 e^{-2x}$$y=36.95 e^{...
0 votes
0 answers
1292
$\begin{array}{lcl} \textbf{Assertion [a]} &: & \text{At a manhole, the crown of the outgoing sewer should not be higher} \\ & & \text{than the crown of the incoming sewe...
0 votes
0 answers
1296
0 votes
0 answers
1297
0 votes
0 answers
1301
A rectangular open channel of width $5.0$ m is carrying a discharge of $100 \: m^3/s$ The Froude number of the flow is $0.8$. The depth of flow (in m) in the channel is$4...
0 votes
0 answers
1302
0 votes
0 answers
1303
The ratio of actual evapo-transpiration of potential evapo-transpiration is in the range$0.0$ to $0.4$$0.6$ to $0.9$$0.0$ to $1.0$$1.0$ to $2.0$
0 votes
0 answers
1307
In a steel plate with bolted connections, the rupture of the net section is a mode of failure undertensioncompressionflexureshear
0 votes
0 answers
1308
0 votes
0 answers
1309
The effective stress friction angle of a saturated, cohesionless soil is $38^{\circ}$. The ratio of shear stress to normal effective stress on the failure plane is$0.781$...
0 votes
0 answers
1312
The infinite series $1+x+\dfrac{x^2}{2!}+\dfrac{x^3}{3!}+\dfrac{x^4}{4!} + \dots $ corresponds to$\sec x$$e^x$$\cos x$$1+\sin^2x$
0 votes
0 answers
1315
The estimate of $$\int_{0.5}^{1.5} \dfrac{dx}{x}$$ obtained using Simpson’s rule with three-point function evaluation exceeds the exact value by$0.235$$0.068$$0.024$$0....
1 votes
0 answers
1316
For non-negative integers, $a, b, c$, what would be the value of $a+b+c$ if $\log a + \log b + \log c = 0$?$3$$1$$0$$-1$
1 votes
0 answers
1320
Given that $\dfrac{\log P}{y-z} = \dfrac{\log Q}{z-x} = \dfrac{\log R}{x-y} = 10$ for $x \neq y \neq z$, what is the value of the product $PQR$?$0$$1$$xyz$$10^{xyz}$