6 people meet for a business lunch. Each person shakes hands once with each other person present. How many handshakes take place?

A 15
B 25
C 30
D 21

Correct Answer: 15

Bissoy MCQ
#উচ্চতর গণিত #বিপরীত ত্রিকোণমিতিক ফাংশন ও ত্রিকোণমিতিক সমীকরণ (Inverse Trigonometric Functions and Trigonometric Equations) #E ইউনিট #জাহাঙ্গীরনগর বিশ্ববিদ্যালয়

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