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

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Question 2 of 10

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

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Question 3 of 10

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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 :

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Question 5 of 10

∫e3 log x (x4+1)-1 dx is equal to

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Question 6 of 10

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

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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

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Question 8 of 10

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

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Question 9 of 10

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

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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

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