Related Questions

In 2007, the arithmetic mean of the annual incomes of Rahim and Karim was Taka 3800 . The arithmetic mean of the annual incomes of Karim and Ripon was Ripon and Rahim was TaKa5800. What is the arithmetic mean of the incomes of the three ?
The arithmetic mean of the 5 consecutive integers starting with 'p' is 'q'. What is the arithmetic mean of 9 consecutive integers that start with (p+2)?
The sum of fourth and twelfth term of an arithmetic progression is 20. What is the sum of the first fifteen terms of that arithmetic progression?
If the average (arithmetic mean) of x and y is 60 and the average(arithmetic mean)of y and z is 80,what is the value of(z-x)?
If the average (arithmetic mean) of a,b, and c is 40, what is the average (arithmetic mean) of (3a+10), (3b+10), and (3c+10)?
Sohana's mathematics test had 75 problems i.e. 10 arithmetic, 30 algebra and 35 geometry problems each carrying I mark She answered 70% of the arithmetic, 40% of the algebra and 60% of the geometry problems correctly. She did not pass the test as she got less than 60% marks. How many more questions she would have needed to answer correctly to earn a 60% passing grade?
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