If average of 8 7 12 15 and x is 11 what is x?
Correct answer B. 13
Tip: press A, B, C or D to answer, and N for the next question.
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See allAverage of 5 numbers is 80. If three of these are 70 80 and 90. Find the average of last two?
Correct answer C. 80
Average of 8 numbers is 31 seven of them are 15 45 17 19 33 48 65. What is the eighth number?
Correct answer B. 6
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Find the average of 8 13 25 43 and 11?
Correct answer A. 20
Ali drove at 50 km per hour for first three hours of his trip. Then due to heavy traffic he drove at 40 km per hour for two hours. Find his agerage speed for the trip?
Correct answer C. 46 km per hr
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