(9) विषयों में से (4) विषय चुनने हैं। रसायन अवश्य चुना जाए लेकिन गणित और भौतिकी दोनों साथ में न चुने जाएं। कितने तरीके हैं?

From (9) subjects (4) subjects are to be selected. Chemistry must be selected but mathematics and physics must not both be selected together. How many ways are there?

Explanation opens after your attempt
Correct Answer

B. (50)

Step 1

Concept

Chemistry is fixed so choose the remaining (3) subjects from (8). Removing (6) selections containing both mathematics and physics leaves (50) ways.

Step 2

Why this answer is correct

The correct answer is B. (50). Chemistry is fixed so choose the remaining (3) subjects from (8). Removing (6) selections containing both mathematics and physics leaves (50) ways.

Step 3

Exam Tip

रसायन तय है इसलिए बाकी (3) विषय (8) में से चुनेंगे। गणित और भौतिकी दोनों साथ वाले (6) चयन हटाने पर (50) तरीके बचते हैं।

Question me issue ya doubt hai?

Answer, explanation, typing mistake ya suggestion directly hamari team ko bhejein. 📱Helpline (Call / WhatsApp): +91 7272824365

Related Mathematics Questions

FAQs

Mathematics Answer, Explanation and Revision Hints

(9) विषयों में से (4) विषय चुनने हैं। रसायन अवश्य चुना जाए लेकिन गणित और भौतिकी दोनों साथ में न चुने जाएं। कितने तरीके हैं? / From (9) subjects (4) subjects are to be selected. Chemistry must be selected but mathematics and physics must not both be selected together. How many ways are there?

Correct Answer: B. (50). Explanation: रसायन तय है इसलिए बाकी (3) विषय (8) में से चुनेंगे। गणित और भौतिकी दोनों साथ वाले (6) चयन हटाने पर (50) तरीके बचते हैं। / Chemistry is fixed so choose the remaining (3) subjects from (8). Removing (6) selections containing both mathematics and physics leaves (50) ways.

Which concept should I revise for this Mathematics MCQ?

Chemistry is fixed so choose the remaining (3) subjects from (8). Removing (6) selections containing both mathematics and physics leaves (50) ways.

What exam hint can help solve this Mathematics question?

रसायन तय है इसलिए बाकी (3) विषय (8) में से चुनेंगे। गणित और भौतिकी दोनों साथ वाले (6) चयन हटाने पर (50) तरीके बचते हैं।