Question
What is the mode of the given data? 5, 7, 9, 7,
3, 7, 5, 7, 8, 6, 7Solution
From the given data - 7 appears the maximum number of times. so, Mode = 7
Of the four numbers, whose average is 75, the first is one-fourth of the sum of the last three. The first number is
Average of 20 numbers is 90. Average of first 8 numbers is 92 while average of last nine numbers is 40. If ninth number is 25% less than the tenth numbe...
- The average of ‘x’ numbers is 20. If 65% of the numbers are decreased by 2 and the remaining numbers are increased by 5, then find the new average of t...
P spends 24% of his salary on transportation, 36% on food, 19% on children’s education and 17% on medical. He deposits the remaining amount of Rs....
There are three numbers 'm', 'n' and 'o' such that average of 'm' and 'n' is 22, average of 'n' and 'o' is 13 and average of 'm' and 'o' is 25. Find the...
The meaning of 12 observations is 15. One more observation is included, and the new mean becomes 17. The 13th observation is.
- The average height of a group of 30 players was recorded as 168 cm. Later it was discovered that 172 was wrongly written as 182 and 160 was written as 150....
If average weight of a class is ‘y’ kg. If a new student weighing 21 kg took admission, then the average weight is increases by 1 kg. If the...
- The average of six numbers is 54. When two more numbers are included, the average increases by 3. Find the average of the numbers included.
The average weight of 40 students in a class is 60 kg. A group of students with average weight 50 kg joins the class, and the overall average becomes 58...
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