(4) अलग-अलग रंगों के झंडों को एक सीधी रेखा में कितने तरीकों से लगाया जा सकता है?
In how many ways can (4) different coloured flags be placed in a straight line?
Explanation opens after your attempt
D. (24)
Concept
The arrangement of (4) distinct flags is (4!=24). Placing in a straight line is a linear permutation.
Why this answer is correct
The correct answer is D. (24). The arrangement of (4) distinct flags is (4!=24). Placing in a straight line is a linear permutation.
Exam Tip
(4) अलग झंडों की व्यवस्था (4!=24) होती है। सीधी रेखा में लगाना linear permutation है।
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