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To find the median, first we have to arrange the given numbers in ascending order as follows: 5, 9, 10, 10, 4, 8, 6, 5 and 12 4, 5, 5, 6, 8, 9, 10, 10 and 12 Since, number of terms is odd i.e. 9 So, median = [(9 + 1)/2]th term = 5th term Therefore, the median = 8
If 'a' is the mean proportion of 12.8 and 0.8 and 'b' is the third proportional to 1.2 and 4.8, then find (a + b) :(b - a) .
In a class of 240 students, 20% decided to leave. From those who stayed, the ratio of boys to girls is 11:13. How many girls are currently in the class?
The ratio of the two numbers is 5:12. 120% of the first number is equal to the 30% of the second number. Find the sum of both the numbers.
Two numbers are in the ratio 5:3. After adding 4 and 7 to them respectively the ratio becomes 2:3. Find the bigger number.
