(5) अलग-अलग बैगों को एक कतार में रखना है, पर एक विशेष बैग हमेशा पहले स्थान पर रहेगा। कुल तरीके कितने हैं?
(5) different bags are to be arranged in a row, but one special bag always remains in the first position. How many ways are possible?
Explanation opens after your attempt
D. (24)
Concept
The first position is fixed and the remaining (4) bags can be arranged in (4!=24) ways. Arrange the remaining items after fixing the item.
Why this answer is correct
The correct answer is D. (24). The first position is fixed and the remaining (4) bags can be arranged in (4!=24) ways. Arrange the remaining items after fixing the item.
Exam Tip
पहला स्थान निश्चित है और शेष (4) बैग (4!=24) तरीकों से लगेंगे। fixed item के बाद बचे items की व्यवस्था करें।
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