Question Text
Question 2 :
During a mass drill exercise, 6250 students of different schools are arranged in rows such that the number of students in each row is equal to the number of rows. In doing so, the instructor finds out that 9 children are left out. Find the number of children in each row of the square.
Question 3 :
Find the square root of 324 by the method of repeated subtraction.
Question 6 :
Each prime factor appears 3 times in its cube. Is it true or false ?
Question 7 :
State true or false: Squares and cubes of odd numbers are odd.
Question 8 :
The perimeters of two squares are 40 and 96 metres respectively. Find the perimeter of another square equal in area to the sum of the first two squares.
Question 9 :
Find the area of a square field if its perimeter is 96 m.
Question 10 :
The square of every natural number is always greater than the number itself. Is it true or false ?
Question 11 :
The square root of a number x is the number whose square is
Question 13 :
Check whether 90 is a perfect square or not by using prime factorisation.
Question 14 :
The sum of two perfect squares is a perfect square. Is it true or false ?
Question 15 :
Using prime factorisation, find which of the following is perfect cube.
Question 17 :
On Subtracting a smallest number from 1385 in order to make a perfect square, then find the square root of perfect square..
Question 18 :
Using prime factorisation, find which of the following is perfect squares.
Question 19 :
Find the length of the side of a square if the length of its diagonal is 10 cm.