Squares And Squ...

In a school assembly, the students are arranged in rows to form a perfect square; but in doing so, 25 students are left out. If the total number students is 1181, find the number of students in each row.

Which of the following statements is/are true?

Consider the following statements and mark the correct option accordingly.

Statement I: The unit digit of the square of a natural number is the unit digit of the square of the digit at the ones place of the given natural number.
Statement II: The square of a number n is equal to the sum of first n odd natural numbers.

State true (T) or false (F) for the following statements.

i) If a number has 3 or 7 at the ones place, then its square ends in 9.
ii) 33.5² lies between 500 and 1000.
iii) If a number has 5 at the ones place, then its square ends in 5.
iv) The area of a square, whose side is 8 cm, is 64 cm².