70
80
90
85
Source: Dutch-Bangla Bank Ltd - Asst. Officer (ATM Help Desk) - 02-01-2009
Answer: 85
Explanation:
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In a set of three numbers, the average of first two numbers is 2. The average of the last two numbers is 3, and the average of the first and the last numbers is 4. What is the average of three numbers ?
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You should read | Topic
সর্বাধিক গুরুত্বপূর্ণ ২৫ জন সাহিত্যিক(পিএসসি নির্ধারিত ১১ জন সহ)
উৎপাদকে বিশ্লেষণ (Factorization)
Sentence
Affirmative and Negative Agreement
দশমিক-ভগ্নাংশ (Decimal Fraction)
ট্রেন ও গতিবেগ (Train & Speed)
নৈতিকতা, মূল্যবোধ ও সুশাসন
নল ও চৌবাচ্চা (Pipes and Cistern)
ণ-ত্ব এবং ষ-ত্ব বিধান
নৌকা ও স্রোত (Boat and Stream)
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