5 പേരെ ഒരു വൃത്തത്തിനു ചുറ്റും വിവിധ രീതിയിൽ ക്രമീകരിക്കുന്നു. ഇങ്ങനെ
എത്ര വിധത്തിൽ ക്രമീകരിക്കാം ?
A25
B24
C10
D20
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