MCQ Practice Mathematics 📖 কোন বই ৪০ টাকায় বিক্রয় করলে ২০% ক্ষতি হয়। কত টাকায় বিক্রয় করলে ৪০% লাভ হবে? ক ৪৪খ ৫০গ ৬৫ঘ ৭০ Favorite Practice Add to Book Explanation & Answer Detailed explanations and answers are restricted. Unlock full access by logging in to your account. 🔒 Unlock the detailed explanation and answers Log In / Sign Up This question appeared in Primary Recruitment Model Test 2021 (01) Question 26 Primary Recruitment Model Test 2021 (01) Question 26 Primary Recruitment Model Test 2021 (01) Question 26 Primary Recruitment Model Test 2021 (01) Question 26