The average of five consecutive odd numbers is 61. What is the difference between the highest and lowest numbers :
A4
B8
C12
D16
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The numbers 6, 8, 11, 12, 2x - 8, 2x + 10, 35, 41, 42, 50 are written in ascending order. If their median is 25, then what is the mean of the numbers?
The average of 40 observations is 50 and the average of another 60 observations is 55. The average of all observation is
What is the average of the first 100 even numbers?
There are four different numbers. The average of the first three numbers is three times the fourth number, and the average of all the four numbers is 55. What is the sum of the first three numbers?
പത്തു സംഖ്യകൾ അവരോഹണ ക്രമത്തിൽ എഴുതിയിരിക്കുന്നു, അവയുടെ ശരാശരി 45 ആണ്. ആദ്യ നാല് സംഖ്യകളുടെ ശരാശരി 40 ആണ് എങ്കിൽ ആദ്യത്തെ എട്ട് സംഖ്യകളുടെ ശരാശരി എത്ര?