Fill in the blank with the correct option:
She must _________ herself to her new surroundings.

US President Donald Trump has signed an executive order prohibiting US investment in how many Chinese companies?

The "Oceanic National Park" of India is located in

Which of the following countries has successfully tested a Tsirkon hypersonic cruise missile in the Arctic?

What is the source of important information regarding the internal structure of the Earth?

A statement is given followed by four alternative arguments. Select the alternative which is most appropriate. 

Statement:  
Is it necessary that education should be job oriented?  

Arguments:  

I. Yes, the aim of education is to prepare persons for earning.  

II. Yes, educated person should stand on his own feet after completion of education. 

III. No, education should be for sake of knowledge only.  

IV. No, one may take up agriculture where education is not necessary. 

For which consecutive year Angela Merkel remained her top position in World's most 100 powerful women?

If a + b = 1 and a³ + b³ + 3ab = k, then the value of k is