MCQ Practice Mathematics 📖 Sixty five percent of a number is 21 less than four-fifth of that number. What is the number? ক 140খ 142গ 144ঘ 145 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 BB Assistant Director Question Bank 2014 Question 174 Previousসবচেয়ে বড় সংখ্যা কোনটি? Next$\sqrt{0.000009}$ = কত?