Find the geometric mean for the series given below.

The main pivotal organisation is enforcing a self regulatory environment in the country.

 India’s economic growth is now much more closely linked to the state of the rural economy than it ever was. 

The state government has devolved the most of the tax-raising powers to the regional authorities.

निम्नलिखित वाक्य का सही अनुवाद कौन सा विकल्प होगा। 

Antibiotics have traditionally been known as miracle drugs.

अग्रिम के समायोजन के लिए पूर्व-दिनांकित चेक की जरूरत है।