If 2 is subtracted from the middle digit of each of the following numbers and then the positions of the digits are reversed, which of the following will be the last digit of the middle number after they are arranged in descending order?
489 362 154 271 542
The given graph shows the number of books sold by Megha's book store in the first 8 weeks of the year.
What was the average number of books sold in 8 weeks?
Please give the answer.
In the figure (not drawn to scale), EFA is a right-angled triangle with ∠EFA = 90° and FGB is an equilateral triangle, find y - 2x.
Please give answer.