Recently Active Miscellaneous Questions

Lim (an +bn)(1/n) n→∞ a, b are finite positive numbers. ...

Lim √(x2)/x x→0 ...

If α and β are posiive integers and are the roots of the equation x2+kx+12 = 0 such that α3 - β3 = 37 , what is the value of k ? ...

What is the equaton of a quadratic curve has maxima at (1,1) and cuts X axis at a distance 2 from origin ? ...

f(x) = sin-1x + cos-1x f'(x) = ? ...

If radius of incircle of a triangle is 1 and area of the triangle is 2 what is the value of perimeter of the triangle ? ...

What is the volume of the cuboid whose sides are given by vectors 2i , 3j and 4k ? ...

Resultant of two vectors a and b having angle 90° between them is doubled in magnitude if b is tripled.if |a| = 4 then the magnitude of resultant is ...

What is the unit vector perpendicular to the plane containing (i+j+k) and (i - j - k) ? ...

What is the point of interesction of the tangent 2x+3y = 13 and the circle x2+y2 = 13 ? ...

What is the local maxima of the curve y = x+1/x ...

The family of lines given by the equation x(1+γ) + y (2 - γ) - 3 = 0 where γ is a parameter always passes through ...

In complex plane ((Z-Z)/2)2 + ((Z+Z)/2)2 =1 describes ...

|Z1| = 1 and |Z2 - 3 - 3i| = 1 , then minimum value of |Z1 - Z2| = ? ...

IF A and B are mutually independent events , P(AUB) = 1/2 , P(A) = 1/3 , P(B) = ? ...

What is the distance of a point on the ellipse (x2/9+y2/b =1 ) with ecentricity 1/2 , whose x coordinate is 3 from the farther focus ? ...

∫dx/(x3+x4) ...

Area under the curve y = nsin(nx) and X axis between any two consecutive points where it becomes zero is ...

A sodium salt of an unknown anion when treated with MgCl2 gives white precipitate only on boiling. The anion is ...

Which of the following salt will not produce black ppt. on passing H2S through their aqueous salt solutions in desired medium? ...

Which of the following gives blood red colour with KCNS? ...

Which of the following is wrong about white phosphorus (P4)? ...

Pressure of a mixture of 4 g of O2 and 2 g of H2 confined in a bulb of 1 litre at 0°C is ...

propyne and propene can be distinguished by ...

The number of chain isomers for C6H14 are ...

Cannizzaro reaction is not given by ...

C3H8O (X)K2Cr2O7/H2SO4 > C3H6O I2/NaOH > CHI3 X is ...

Light is incident from a medium μ1 at some angle θ with the vertical to another medium μ2 and is refracted.If μ2 varies with time as μ2 = kt , where k is a positive constant , when will the ray will be reflected inst ...

Which is more elastic between a steel rod and rubber if young's modulus of steel is more than that of rubber ? ...

What is z in the following sequence of reactions? phenol Zn/ dust >X CH3Cl/Anhydrous AlCl3 >Y Alkaline KMnO4 >Z ...