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6. The class marks of a frequency distribution are given as follows : 15, 20, 25, … The class corresponding to the class mark 20 is :
03
Jul
6. The class marks of a frequency distribution are given as follows : 15, 20, 25, … The class corresponding to the class mark 20 is : ... The class corresponding to the class mark 20 is : 20 25 6. The class marks of a frequency distribution are given as follows : 15 July [...]
5. Let m be the mid-point and l be the upper class limit of a class in a continuous frequency distribution. The lower class limit of the class is :
03
Jul
5. Let m be the mid-point and l be the upper class limit of a class in a continuous frequency distribution. The lower class limit of the class is : 5. Let m be the mid-point and l be the upper class limit of a class in a continuous frequency distribution. The lower class limit [...]
4. The width of each of five continuous classes in a frequency distribution is 5 and the lower class-limit of the lowest class is 10. The upper class-limit of the highest class is:
03
Jul
4. The width of each of five continuous classes in a frequency distribution is 5 and the lower class-limit of the lowest class is 10. The upper class-limit of the highest class is: 4. The width of each of five continuous classes in a frequency distribution is 5 and the lower class-limit of the lowest [...]
3. In a frequency distribution, the mid value of a class is 10 and the width of the class is 6. The lower limit of the class is :
03
Jul
3. In a frequency distribution, the mid value of a class is 10 and the width of the class is 6. The lower limit of the class is : 3. In a frequency distribution the mid value of a class is 10 and the width of the class is 6. The lower limit of the [...]
2. The range of the data : 25, 18, 20, 22, 16, 6, 17, 15, 12, 30, 32, 10, 19, 8, 11, 20 is
03
Jul
2. The range of the data : 25, 18, 20, 22, 16, 6, 17, 15, 12, 30, 32, 10, 19, 8, 11, 20 is -12 -22 10 11 15 16 … 17 18 19 2. The range of the data : 25 20 20 is 3^2 30 6 8 July 3, 2021 Category: Chapter 14 [...]
1. The class mark of the class 90 – 120 is :
03
Jul
1. The class mark of the class 90 – 120 is : 1. The class mark of the class 90 - 120 is : July 3, 2021 Category: Chapter 14 - Statistics , Chapter 15 - Probability , Maths , NCERT Class 9 ,
Rain water which falls on a flat rectangular surface of length 6 m and breadth 4 m is transferred into a cylindrical vessel of internal radius 20 cm. What will be the height of water in the cylindrical vessel if the rain fall is 1 cm. Give your answer to the nearest integer. (Take π = 3.14)
03
Jul
Rain water which falls on a flat rectangular surface of length 6 m and breadth 4 m is transferred into a cylindrical vessel of internal radius 20 cm. What will be the height of water in the cylindrical vessel if the rain fall is 1 cm. Give your answer to the nearest integer. (Take π [...]
The radius of a sphere is increased by 10%. Prove that the volume will be increased by 33.1% approximately.
03
Jul
The radius of a sphere is increased by 10%. Prove that the volume will be increased by 33.1% approximately. The radius of a sphere is increased by 10%. Prove that the volume will be increased by 33.1% approximately. July 3, 2021 Category: Chapter 13 - Surface Areas and Volumes , Maths , NCERT Class 9 [...]
The surface area of a sphere of radius 5 cm is five times the area of the curved surface of a cone of radius 4 cm. Find the height and the volume of the cone.
03
Jul
The surface area of a sphere of radius 5 cm is five times the area of the curved surface of a cone of radius 4 cm. Find the height and the volume of the cone. The surface area of a sphere of radius 5 cm is five times the area of the curved surface of [...]
An edge of a cube measures r cm. If the largest possible right circular cone is cut out of this cube, then the volume of the cone (in cm^3) is 1/6 π r^3.
03
Jul
An edge of a cube measures r cm. If the largest possible right circular cone is cut out of this cube, then the volume of the cone (in cm^3) is 1/6 π r^3. An edge of a cube measures r cm. If the largest possible right circular cone is cut out of this cube then [...]