First invertebrates insects fossil appeared in which of the following geological ages?

a) Mesozoic b) Jurassic

c) Paleozoic d) Devonian

e) Permian f) Pennsylvanian

Which of the following combinations give the best answer?

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#Question id: 23334

#General Aptitude

The following steps of case-study have been jumbled with each other

1.Focus of study

2. Identification of Cause effect symptoms

3. Remedy for adjustment

4. Follow-up programme

5. Data collection The correct sequence in above steps is codes:

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#Question id: 23333

#General Aptitude

The characteristics of experimental method is

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#Question id: 23332

#General Aptitude

In Epistemology, the following problem can be solved

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#Question id: 23331

#General Aptitude

Generally variable are of

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#Question id: 23330

#General Aptitude

The meaning of variable is

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#Question id: 23329

#General Aptitude

The steps of historical research method are