(4) अलग-अलग विषयों को सोमवार के (4) पीरियड में लगाने के तरीके कितने हैं?
In how many ways can (4) different subjects be arranged in (4) periods on Monday?
Explanation opens after your attempt
C. (24)
Concept
(4) different subjects can be arranged in (4) different periods in (4!=24) ways. Order matters in a timetable.
Why this answer is correct
The correct answer is C. (24). (4) different subjects can be arranged in (4) different periods in (4!=24) ways. Order matters in a timetable.
Exam Tip
(4) अलग विषय (4) अलग पीरियड में (4!=24) तरीकों से लगते हैं। timetable में order महत्त्वपूर्ण होता है।
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