(7) अलग-अलग पोस्टकार्डों को बाएँ से दाएँ सजाने के तरीके कितने हैं?

In how many ways can (7) different postcards be arranged from left to right?

Explanation opens after your attempt
Correct Answer

C. (5040)

Step 1

Concept

The left-to-right arrangement of (7) distinct postcards is (7!=5040). Use factorial in linear arrangement.

Step 2

Why this answer is correct

The correct answer is C. (5040). The left-to-right arrangement of (7) distinct postcards is (7!=5040). Use factorial in linear arrangement.

Step 3

Exam Tip

बाएँ से दाएँ (7) अलग पोस्टकार्डों की व्यवस्था (7!=5040) है। linear arrangement में factorial लें।

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Mathematics Answer, Explanation and Revision Hints

(7) अलग-अलग पोस्टकार्डों को बाएँ से दाएँ सजाने के तरीके कितने हैं? / In how many ways can (7) different postcards be arranged from left to right?

Correct Answer: C. (5040). Explanation: बाएँ से दाएँ (7) अलग पोस्टकार्डों की व्यवस्था (7!=5040) है। linear arrangement में factorial लें। / The left-to-right arrangement of (7) distinct postcards is (7!=5040). Use factorial in linear arrangement.

Which concept should I revise for this Mathematics MCQ?

The left-to-right arrangement of (7) distinct postcards is (7!=5040). Use factorial in linear arrangement.

What exam hint can help solve this Mathematics question?

बाएँ से दाएँ (7) अलग पोस्टकार्डों की व्यवस्था (7!=5040) है। linear arrangement में factorial लें।