List of top Questions asked in UP JEE Polytechnic

In a 10 cm long horizontal wire, 5 Amp current is flowing. The mass of the wire is \(3 \times 10^{-3}\) kg/m. What will be the field to keep wire stable?
Phenol with dilute HNO\(_3\) gives
Potassium chloride contains K-(Approximate)
Which of the following atoms would be paramagnetic?
“Pusha RH-10” is a hybrid variety of
In the following figure, the equivalent resistance between ‘A’ and ‘B’ will be
equivalent resistance between ‘A’ and ‘B’
Which gas is used in Electric Bulb?
The value of \(\frac{a}{(a-b)(a-c)} + \frac{b}{(b-c)(b-a)} + \frac{c}{(c-a)(c-b)}\) is
If points \((1, 2), (x, -1), (4, 5)\) are collinear, then the value of \(x\) is
The value of \(\cos 15^\circ - \sin 15^\circ\) is equal to
Number of parallel tangents of a circle is
If \(\cos \theta = \frac{1}{2}\), then the value of \(\tan 20^\circ\) is
\(\sin(-\theta)\) is equal to
Three solid spheres, whose radii are 3 cm, 4 cm and 5 cm melted into a single sphere, its radius is
If the line \(PQ\) is parallel to line \(BC\) of \(\triangle ABC\), then
line PQ is parallel to line BC of △ABC
If \(\alpha, \beta\) are the roots of the equation \(2x^2 - 3x + 1 = 0\), then the value of \(\alpha^3 + \beta^3\) is
Sum of two numbers is 21 and their difference is 11, then the greatest number is
If \(7x : 63 = 1 : 9\), then \(x\) is
Find the average of first fifty natural numbers
If \(\log_m m + \log_{\frac{1}{6}} \frac{1}{3} = 2\), then \(m\) is equal to
The value of \(\csc^2 67^\circ - \tan^2 23^\circ\) is equal to
The number of 6 cm cubes can be cut from a cuboid measuring 36 m \(\times\) 15 m \(\times\) 8 m is
If \(x^y = y^x\) then \(\left(\frac{x}{y}\right)^{x/y}\) is
If \(\sin \theta = \frac{1}{\sqrt{2}}\), then the value of \(3 \sin^2 \theta - 4 \sin^3 \theta \cdot \cos \theta\) is
If \(9 : 15 : : 45 : x\), then the value of \(x\) is