New Learning Composite Mathematics Class 8 SK Gupta Anubhuti Gangal Squares and Square Roots, Cubes and Cube Roots Chapter 3D Solution

New Learning Composite Mathematics SK Gupta Anubhuti Gangal Class 8 Squares and Square Roots, Cubes and Cube Roots Self Practice 3D Solution

(1) Find the least number which must be substracted from each of the following numbers to make it perfect square.

(a) 740

(v) 1535

(c) 7926

SOLUTION Number 1:

(2) Find the least number which must be added to each of the following numbers to make it a perfect square.

(a) 708

(b) 1840

(c) 3219

SOLUTION Number 2:

(3) 4225 soldiers are arranged in different rows so that there are as many rows as the number of soldiers in a row. Find the number of rows.

(4) A gardener plants 3364 trees in such a way that there are as many rows as there are trees in a row. Find the number of trees in a row.

(5) A club collected Rs. 7225 for a charity. Each member contributed as many rupees as there were number of members of the club. How many members does the club have.

SOLUTION Number 3, 4 & 5:

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