Question 1 of 10

A unit vector in the plane of vector i + 2j + k and i + j + 2k and perpendicular to 2i + j + k is

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Question 2 of 10

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Question 3 of 10

A binary liquid solution is prepared by mixing n - heptane and ethanol. Which one of the following statement is correct regarding the behaviour of the solution?

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D

Question 4 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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Question 5 of 10

If x1, x2, x3 as well as y1, y2, y3 are in GP with the same common ratio, then the points (x1, y1), (x2, y2) and (x3, y3) :

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Question 6 of 10

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Question 7 of 10

Sulphur trioxide can be obtained by which of the following reaction.

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Question 8 of 10

The major product of the reaction between tert-butylchloride and sodium-ethoxide is

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Question 9 of 10

For the data

the Karl Pearson coefficient is

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E

Question 10 of 10


then x is

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