Questions

The logic in the given puzzle is 

4 + 4 = 4 * 4+1 = 4 * 5 = 20

5 + 5 = 5 * 5+1 = 5 * 6 = 30

6 + 6 = 6 * 6+1 = 6 * 7 = 42

7 + 7 = 7 * 7+1 = 7 * 8 = 56

Similarly

9 + 9 = 9 * 9+1 = 9 * 10 = 90.

The areas are generally divided into three groups:

* street fashion (mass-manufactured high fashion);

*ready-to-wear (small collections);

* haute couture, where unique cat-walk garments are created mostly without practical considerations.

Don’t try to impress employees with what you are not. If you are an expert in high street fashion – you will be appreciated and find plenty of work.

The Indian Institute of Engineering Science and Technology (IIEST) has successfully created the country’s first smart grid project, which will generate power from renewable sources of energy.  The project will soon be inaugurated by President Pranab Mukherjee, IIEST Director Prof Ajoy Kumar Roy. The smart grid will be synchronised to generate power from solar, wind and vegetable waste resources, depending on the weather conditions and availability of waste products. It is the first of its kind in the country.

The missing number in the given number puzzle is "78".

Here the logic is the numbers are from 86 - 91 when we read upside down.

Designers stay current by reading magazines, browsing the internet, attending fashion shows, and studying technical manuals. They study the history of fashion to better understand its development and current tendencies.