- The number of keys in a Piano is____________?
- Which Planet has purple rocks according to NASA ?
- Which number is considered lucky in Italy?
- Which planet has the longest year?
- The maximum di/dt in a SCR is____________?
- The Largest producer of solar energy in the world is___________?
- Which Surah has the same number of verses as the number of Surah of Holy Quran?
- Planet with most satellites is?
- Maximum di / dt in a SCR is________?
- Largest moon in our solar system is ________?
- Which element is required for solar energy conversion ______?
- Which is the brightest planet of our solar system?