Handshake problem
Handshake problem
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Suppose there are n people in the party. The first person shakes hand with the other (n-1) guests. The second guest shakes hand with the other (n-2) guests. this will continue until the (n-1)-th guest shakes hand with the nth guest.
Total number of handshakes is (n-1) + (n-2)... + 3 + 2 + 1.
= (n-1)(n)/2
For example, 6 people in a party shake hand with other guests. So how many handshakes will be there?
=(6-1)(6)/2
=15.
ഏതാനും പേര് തമ്മില് പരസ്പരം ഹസ്തദാനം നടത്തിയാല് ആകെഹസ്തദാനങ്ങളുടെ എണ്ണംകാണുവാനുള്ള സൂത്രവാക്യമാണ്
(n-1)(n)/2
ഇവിടെ ' n ' എന്നത് ആളുകളുടെ എണ്ണമാണ്.
ഉദാഹരണത്തിന് 6 പേര് പരസ്പരം ഹസ്തദാനം നടത്തിയെങ്കില് ആകെ ഹസ്തദാനം
=(6-1)(6)/2
=15.
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ഇന്ത്യയുടെ തെക്കുപടിഞ്ഞാറൻ തീരത്തുനിന്നും 200-440 കി.മീ അകലെയുള്ള ഒരു ദ്വീപസമൂഹമാണ് ലക്ഷദ്വീപ്. ലക്ഷദ്വീപ് കടലിൽ സ്ഥിതി ചെയ്യുന്ന ഈ ദ്വീപസമൂഹം, ഇന്ത്യയിലെ ഒരു കേന്ദ്രഭരണപ്രദേശമാണ്. 32 ചതുരശ്ര കിലോമീറ്റർ മാത്രം വിസ്തൃതിയുള്ള ഈ പ്രദേശം ഇന്ത്യയിലെ കേന്ദ്രഭരണ പ്രദേശങ്ങളിൽ ഏറ്റവും ചെറുതുമാണ്. 1956-ൽ രൂപംകൊണ്ടു 1973-ൽ ലക്ഷദ്വീപെന്ന് നാമകരണം ചെയ്തു. ജനവാസമുള്ളതും അല്ലാത്തതുമായ അന...
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