वह प्रतिचयन पद्धति (sampling method) जिसमें समष्टि (population) को विभिन्न स्तरों (strata) में विभाजित किया जाता है और प्रत्येक स्तर से यादृच्छिक चयन किया जाता है, कहलाती है:

Mahatma Gandhi's last fast unto death in 1948 was primarily against which of the following?

What was the primary meaning of 'Swaraj' as popularized by Mahatma Gandhi during India's independence movement?

What was one major impact of India’s independence on its economy?