(20!) के अंत में कितने शून्य होंगे?

How many zeros will be at the end of (20!)?

Explanation opens after your attempt
Correct Answer

B. (4)

Step 1

Concept

The number of ending zeros is \( \left\lfloor\frac{20}{5}\right\rfloor=4 \). To count zeros, count multiples of (5).

Step 2

Why this answer is correct

The correct answer is B. (4). The number of ending zeros is \( \left\lfloor\frac{20}{5}\right\rfloor=4 \). To count zeros, count multiples of (5).

Step 3

Exam Tip

अंतिम शून्यों की संख्या \( \left\lfloor\frac{20}{5}\right\rfloor=4 \) है। शून्य गिनने में (5) के गुणकों को गिनें।

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Mathematics Answer, Explanation and Revision Hints

(20!) के अंत में कितने शून्य होंगे? / How many zeros will be at the end of (20!)?

Correct Answer: B. (4). Explanation: अंतिम शून्यों की संख्या \( \left\lfloor\frac{20}{5}\right\rfloor=4 \) है। शून्य गिनने में (5) के गुणकों को गिनें। / The number of ending zeros is \( \left\lfloor\frac{20}{5}\right\rfloor=4 \). To count zeros, count multiples of (5).

Which concept should I revise for this Mathematics MCQ?

The number of ending zeros is \( \left\lfloor\frac{20}{5}\right\rfloor=4 \). To count zeros, count multiples of (5).

What exam hint can help solve this Mathematics question?

अंतिम शून्यों की संख्या \( \left\lfloor\frac{20}{5}\right\rfloor=4 \) है। शून्य गिनने में (5) के गुणकों को गिनें।