Questions

A hand made paper workshop can hire 8 craftsmen by paying them Rs 400 per person per day. The 9th craftsman demands Rs 450 per day. If this craftsman is hired then all other craftsmen must be paid Rs 450. The marginal resource (labour) cost of the 9th craftsman is

In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.
A speech or a presentation made without previous preparation.

What is the action of dry HCl gas on dry litmus paper?

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. Ifa sentence is free from error, select 'No Error'.

Swami Vivekananda died very young in his early thirties, (1)/ but the phenomenal achievements he is credit with (2)/ are for generations to remember. (3)/ No error(4)

In the following question, out of the four alternatives, select the alternative which will improve the bracketed part of the sentence. In case no improvement is needed, select "no improvement".

By then running water and electricity (had arrive), making the well and the lamp post redundant.

In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.

_______________ the course of the development of different life-forms heredity—which, in plain English, is unconscious memory generated in the first life-form and ______________ through all the different species—is the sole factor in the ____________ of the parent properties; while adaptation to surrounding conditions and circumstances, natural selection in the struggle _____________ existence, and partner selection in the struggle of the males for ____________ are the principal factors in the differentiation of species.

natural selection in the struggle _____________ existence, and partner selection

In which year was Communist Party of India - Marxist (CPI-M) founded?

Find equation of the perpendicular to segment joining the points A(0,4) and B(-5,9) and passing through the point P. Point P divides segment AB in the ratio 2:3.