Question 1 of 10

The average monthly salary of workers in a factory is Rs. 206. If the average monthly salary of males and females are Rs. 210 and Rs. 190 respectively, the percentage of female employed in the factory is

Question 2 of 10

If X = , then Xⁿ, for n ∈ N is equal to

Question 3 of 10

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B

C

D

E

Question 4 of 10

Standard enthalpy and standard entropy change for the oxidation of {tex}NH_3{/tex} at 298 K, are {tex}-382.64 kJ mol^{-1}{/tex} and {tex}-145.6 J mol^{-1}{/tex} respectively. Standard Gibbs energy change for the same reaction at 298 K is :

Question 5 of 10

∫e^{3 log x} (x⁴+1)^-1 dx is equal to

Question 6 of 10

The condition that ax + by + c = 0 is tangent to the parabola y² = 4ax is

Question 7 of 10

A needle made of bismuth is suspended freely in a magnetic field. The angle which the needle makes with the magnetic field is

Question 8 of 10

Cathode rays are produced when the pressure is of the order of

Question 9 of 10

Which one of the following pairs of substances will not produce hydrogen when reacted together?

Question 10 of 10

Two bodies are thrown vertically upwards with their initial speeds in the ratio 2 : 3. The ratio of the maximum heights reached by them and the ratio of their time taken by them to return back to the ground respectively are