KSEEB Solutions for Class 8 Maths Chapter 5 Squares, Square Roots, Cubes, Cube Roots Ex 5.1

Students can Download Class 8 Maths Chapter 5 Squares, Square Roots, Cubes, Cube Roots Ex 5.1 Questions and Answers, Notes Pdf, KSEEB Solutions for Class 8 Maths helps you to revise the complete Karnataka State Board Syllabus and to clear all their doubts, score well in final exams.

Karnataka State Syllabus Class 8 Maths Chapter 5 Squares, Square Roots, Cubes, Cube Roots Ex 5.1

Question 1.
Express the following statements mathematically.
(i) Square of 4 is 16
Answer:
4 × 4 = 16
4 2 = 16

(ii) Square of 8 is 64
Answer:
8 × 8 = 64
82 = 64

(iii) Square of 15 is 225
Answer:
15 × 15 = 225
152 = 225

5 Squares, Square Roots, Cubes, Cube Roots Ex 5.1

Question 2.
Identify the perfect squares among the following numbers.
1, 2, 3, 8, 36, 49, 65, 67, 71, 81, 169, 625, 125, 900, 100, 1000, 100000.
Answer:
The perfect squares are 1 = 22, 36 = 62,49 = 72, 81 = 92, 169 = 132, 625 = 252, 900 = 302, 100 = 102.

Question 3.
Make a list of all perfect squares from 1 to 500.
Answer:
The Perfect square from 1 to 500 are 1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 121, 144, 169, 196, 225, 256, 289, 324, 361, 400, 441, 484.

Question 4.
Write 3- digit numbers ending with 0, 1, 4, 5, 6, 9 one for each digit but none of them is a perfect square
Answer:
200, 201, 204, 205, 206, 209.

Question 5.
Find the numbers from 100 to 400 that end with 0, 1, 4, 5, 6, or 9 which are perfect squares.
Answer:
100, 121, 144, 169, 196, 225, 256, 289, 324, 36

5 Squares, Square Roots, Cubes, Cube Roots Ex 5.1