\(\frac{10!}{6!\cdot4!}-\frac{9!}{6!\cdot3!}\) का मान क्या है?

What is the value of \(\frac{10!}{6!\cdot4!}-\frac{9!}{6!\cdot3!}\)?

Explanation opens after your attempt
Correct Answer

B. (84)

Step 1

Concept

The first term is (210) and the second is (84), so the difference is (126); the correct option should be (126). Check the final subtraction before choosing an option.

Step 2

Why this answer is correct

The correct answer is B. (84). The first term is (210) and the second is (84), so the difference is (126); the correct option should be (126). Check the final subtraction before choosing an option.

Step 3

Exam Tip

पहला पद (210) और दूसरा (84), इसलिए अंतर (126) है; सही विकल्प (126) होना चाहिए। विकल्प चुनने से पहले अंतिम घटाव जांचें।

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Mathematics Answer, Explanation and Revision Hints

\(\frac{10!}{6!\cdot4!}-\frac{9!}{6!\cdot3!}\) का मान क्या है? / What is the value of \(\frac{10!}{6!\cdot4!}-\frac{9!}{6!\cdot3!}\)?

Correct Answer: B. (84). Explanation: पहला पद (210) और दूसरा (84), इसलिए अंतर (126) है; सही विकल्प (126) होना चाहिए। विकल्प चुनने से पहले अंतिम घटाव जांचें। / The first term is (210) and the second is (84), so the difference is (126); the correct option should be (126). Check the final subtraction before choosing an option.

Which concept should I revise for this Mathematics MCQ?

The first term is (210) and the second is (84), so the difference is (126); the correct option should be (126). Check the final subtraction before choosing an option.

What exam hint can help solve this Mathematics question?

पहला पद (210) और दूसरा (84), इसलिए अंतर (126) है; सही विकल्प (126) होना चाहिए। विकल्प चुनने से पहले अंतिम घटाव जांचें।