NCERT Class 8
3. 72% of 25 students are good in mathematics. How many are not good in mathematics?
11
Oct
3. 72% of 25 students are good in mathematics. How many are not good in mathematics? 3. 72% of 25 students are good in mathematics. How many are not good in mathematics? October 11, 2020 Category: Chapter 7 - Cubes and Cube Roots , Maths , NCERT Class 8 ,
2. Convert the following ratios to percentages: (a) 3 : 4 (b) 2 : 3
11
Oct
2. Convert the following ratios to percentages: (a) 3 : 4 (b) 2 : 3 2. Convert the following ratios to percentages: (a) 3 : 4 (b) 2 : 3 October 11, 2020 Category: Chapter 7 - Cubes and Cube Roots , Maths , NCERT Class 8 ,
1. Find the ratio of the following: (a) Speed of a cycle 15 km per hour to the speed of scooter 30 km per hour. (b) 50 m to 10 km (c) 50 paise to Rs.5
11
Oct
1. Find the ratio of the following: (a) Speed of a cycle 15 km per hour to the speed of scooter 30 km per hour. (b) 50 m to 10 km (c) 50 paise to Rs.5 1. Find the ratio of the following: (a) Speed of a cycle 15 km per hour to the speed [...]
3. You are told that 1,331 is a perfect cube. Can you guess without factorisation what is its cube root? Similarly, guess the cube roots of 4913, 12167, 32768.
11
Oct
3. You are told that 1,331 is a perfect cube. Can you guess without factorisation what is its cube root? Similarly, guess the cube roots of 4913, 12167, 32768. 12167 3. You are told that 1 32768. 331 is a perfect cube. Can you guess without factorisation what is its cube root? Similarly guess the [...]
1. Find the cube root of each of the following numbers by prime factorisation method. (x) 91125
11
Oct
1. Find the cube root of each of the following numbers by prime factorisation method. (x) 91125 1. Find the cube root of each of the following numbers by prime factorisation method. (x) 91125 October 11, 2020 Category: Chapter 7 - Cubes and Cube Roots , Maths , NCERT Class 8 ,
1. Find the cube root of each of the following numbers by prime factorisation method. (viii) 46656
11
Oct
1. Find the cube root of each of the following numbers by prime factorisation method. (viii) 46656 1. Find the cube root of each of the following numbers by prime factorisation method. (viii) 46656 October 11, 2020 Category: Chapter 7 - Cubes and Cube Roots , Maths , NCERT Class 8 ,
1. Find the cube root of each of the following numbers by prime factorisation method. (vii) 110592
11
Oct
1. Find the cube root of each of the following numbers by prime factorisation method. (vii) 110592 1. Find the cube root of each of the following numbers by prime factorisation method. (vii) 110592 October 11, 2020 Category: Chapter 7 - Cubes and Cube Roots , Maths , NCERT Class 8 ,
1. Find the cube root of each of the following numbers by prime factorisation method. (vi) 13824
11
Oct
1. Find the cube root of each of the following numbers by prime factorisation method. (vi) 13824 1. Find the cube root of each of the following numbers by prime factorisation method. (vi) 13824 October 11, 2020 Category: Chapter 7 - Cubes and Cube Roots , Maths , NCERT Class 8 ,
1. Find the cube root of each of the following numbers by prime factorisation method. (v) 15625
11
Oct
1. Find the cube root of each of the following numbers by prime factorisation method. (v) 15625 1. Find the cube root of each of the following numbers by prime factorisation method. (v) 15625 October 11, 2020 Category: Chapter 7 - Cubes and Cube Roots , Maths , NCERT Class 8 ,
1. Find the cube root of each of the following numbers by prime factorisation method. (ix) 175616
11
Oct
1. Find the cube root of each of the following numbers by prime factorisation method. (ix) 175616 1. Find the cube root of each of the following numbers by prime factorisation method. (ix) 175616 October 11, 2020 Category: Chapter 7 - Cubes and Cube Roots , Maths , NCERT Class 8 ,