A student was asked to find the arithmetic mean of the numbers 3, 11, 7, 9, 15, 13, 8, 19, 17, 21, 14 and p. He found the mean to be 12. What should be the number in place of p?

এ সম্পর্কিত আরো প্রশ্ন দেখুন

• If x² - 4x + 3 = 0, then what is he value of (x - 2)² ?
• a, b and c positive integers. If b equals the square root of a, and if c equals the sum of a and b, which of the following could he the value of c?
• A Shopkeeper buys 100 mangoes at Tk. 12 each. He sell 60 mangoes at Tk. 17.40 each and x mangoes at Tk. 11.31 each. The Shopkeeper makes a profit of at least 10%. Find the least possible value of x.
• Lamia owns a hairdressing salon. She borrows Tk. 2500 from a bank to improvements to her beauty salon. She is charged 4.5% per year compound interest. She pays the money back after 3 years. Calculate the total amount Lamina must pay to the bank?
• If Q/O = 1/4. What is the value of P+Q/P - Q ?

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গণিত

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পাটিগণিত

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সিকিউরিটি প্রিন্টিং কর্পোরেশন বাংলাদেশ এর সহকারী ব্যবস্থাপক (সাধারণ)

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