1. Which is the Highest mountain peak ?

Answer: Mount Everest (8,850 m)

2. Which is smallest continent of world ?

Answer: Australia

3. Which is Place of heaviest rainfall ?

Answer: Mausinram (Meghalaya)

4. Which is the longest Platform ?

Answer:

Gorakhpur railway station, Uttar Pradesh, India (1355.40 meters)

5. Which is highest dam in world ?

Answer:

Jinping-I Dam - 305 m (1,001 ft) in China on Yalong river.
Second Highest is Nurek Dam 300 m (980 ft) Tajikistan on Vakhsh river.

6. Which is Largest Dome in World ?

Answer: St. Peter's Basilica (Rome)

7. What is the name of brightest star ?

Answer: Sirius