an unknown quantity meaning in Hindi

Examples

1. After decades in the public eye, she is hardly an unknown quantity.
2. When Pataki chose Ms . McCaughey Ross, she was an unknown quantity.
3. "China remains an unknown quantity as a potential producer, " he said.
4. Nonetheless, a cautious Paterno said his Nittany Lions still are an unknown quantity.
5. Although Croatia is a first-time qualifier it no longer is an unknown quantity.
6. George W . Bush is still something of an unknown quantity.
7. Davis, however, is still an unknown quantity in the regular season.
8. The latest change makes the Italians an unknown quantity for Victory.
9. But there is an unknown quantity to almost every other starter.
10. The attackers also stole 11 assault rifles and an unknown quantity of ammunition.