প্রশ্ন ও উত্তর
6 people meet for a business lunch. Each person shakes hands once with each other person present. How many handshakes take place?
06 Apr, 2025
প্রশ্ন 6 people meet for a business lunch. Each person shakes hands once with each other person present. How many handshakes take place?
সঠিক উত্তর
১৫
মন্তব্য
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