Explanation:
Divide the result by the total number of items after adding the new set of numbers. However, you may perform a lot quicker computation in this specific instance: the difference between the new and old numbers of photos is 6.
To determine how much the average will rise, divide this figure by the number of items:
Number of items / (difference between sums of items) = 6/3 = 2
The median will rise by 2. The new average will therefore be 23+2 = 25.
Explanation:
If you carefully read the question, it becomes clear that 50% of flu sufferers reported feeling better after taking the medication (28 + 22 = 50). This indicates that 50% of the patients experienced no improvement. In the question, the number of patients who did not see any improvement is mentioned rather than the percentage: 50% of 2500 equals 1250.
Explanation:
If the car covers 200 miles in ten minutes, it will cover six times that distance in an hour (ten minutes is one sixth of an hour).
As a result, the distance covered in one hour is:
6*200=1200 miles
This value will therefore be the speed of the car: 1,200 mph.
Explanation:
The decimal point in the decimal system allows one to write numbers as large or small as desired.
To the left or right of a decimal point, digits can be used to display values greater than or less than one. There is a whole number to the left of the decimal point (e.g. 45 in 45.589).
Every integer grows ten times larger to the left of the decimal point: ... Hundred, ten, and one. The first digit represents tenths (1/10) to the right of the decimal point. Every number gets 10 times smaller (one-tenth as big) to the right of the decimal point: Tenths, hundredths, and thousands...
As seen, there are no ones in any of the answer alternatives. So, compare their tenth values to the right of the decimal point.
Explanation:
There are two things about this series that should be noted immediately away:
Each group's initial and last letters are the same, and its second letter is always an H.
The outside letters form a pattern that you can instantly identify as a sequential one by looking at it:
G H I J K
The missing group's outer letters must thus be K.
Explanation:
Each number in this series equals the sum of the two numbers before it, according to the Fibonacci sequence principle.
Thus: 55+89 = 144
Explanation:
100% = 100*53/25 = 4*53 = 4*50 + 4*3 = 200 + 12 = 212
The solution can also be obtained by utilizing a straightforward multiplication table strategy. If the percentage of 53 is 25%, then the entire number is 4 times 53. The number we're looking for must end with 2 if we divide 53*4 into 50*4 + 3*4 (3*4=12). Only 212 has a final number that ends with 2.
