If each digit of the number 8152346 is arranged in descending order from left to right, how many digits will have their positions changed compared to the original number?

If each digit of the number 8152346 is arranged in descending order from left to right, how many digits will have their positions changed compared to the original number?
यदि संख्या 8152346 के प्रत्येक अंक को बाएं से दाएं अवरोही क्रम में व्यवस्थित किया जाए, तो मूल संख्या की तुलना में कितने अंको के स्थान में परिवर्तन होगा?

Four/चार One/एक Three/ तीन Two/दो

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