The sum of two consecutive natural numbers and the square of the first is 5329. What are the numbers?
33 and 34
20 and 21
72 and 73
74 and 75
The area of square plot is 1024 square matres.What is the length of its sides?
36
40
32
Calculate 82 × 22 ×52
640
6400
2550
255
