This man observed birds in flight, and designed a flying machine. 

Correct Answer - (a) 20, (b)24

1. Rural Development 2. tertiary sector 3. final consumers 4. traders, professionals and technicians 5. economic growth

Correct Answer - 6.72 fringes

Correct Answer is  (a) Vulture

Correct Answer - `6x + 11y le 200`

1. False 2. False 

Correct Answer - The manufacturer can manufacure 4 packages of each pens and pencils daily to obtain the maximum profit Rs. 28

When a light passes from one medium to another, at one interface, it changes its speed. The glass slab and prism both have two glass air interfaces. Hence, the light undergoes refraction...

D) Galapagos Islands