If the cost of a long distance phone call in C taka for the first minute and (2/3) C taka for each additional three minute. what is the cost in taka of a ten minute call of this type?

A 5c/3
B 6c
C 3c
D 7c

Correct Answer: 3c

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

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