CBSE Class 9 Maths

Topic	Replies	Views	Activity
1500 families with 2 children were selected randomly, and the following data were recorded probability , class-9-maths	1	1863	April 10, 2019
In a cricket match, a batswoman hits a boundary 6 times out of 30 balls she plays probability , class-9-maths	1	1132	April 10, 2019
Give one example of a situation in which (i) the mean is an appropriate measure of central tendency statistics , class-9-maths	1	698	April 10, 2019
Find the mean salary of 60 workers of a factory from the following table statistics , class-9-maths	1	1607	April 10, 2019
Find the mode of 14, 25,14, 28,18,17,18,14, 23, 22,14 and 18 statistics , class-9-maths	1	1388	April 10, 2019
The following observations have been arranged in ascending order statistics , class-9-maths	1	719	April 10, 2019
In a mathematics test given to 15 students, the following marks (out of 100) are recorded statistics , class-9-maths	1	1830	April 10, 2019
The following number of goals were scored by a team in a series of 10 matches statistics , class-9-maths	1	2354	April 10, 2019
100 surnames were randomly picked up from a local telephone directory and a frequency statistics , class-9-maths	1	1142	April 10, 2019
A random survey of the number of children of various age groups playing in a park statistics , class-9-maths	1	1387	April 10, 2019
The runs scored by two teams A and B on the first 60 balls in a cricket match statistics , class-9-maths	1	2424	April 10, 2019
The following table gives the distribution of students of two sections according to the marks statistics , class-9-maths	1	1605	April 10, 2019
The following table gives the lifetimes of 400 neon lamps statistics , class-9-maths	1	1204	April 10, 2019
The length of 40 leaves of a plant measured correct to one millimetre statistics , class-9-maths	1	709	April 10, 2019
Given below are the seats won by different political parties in the polling outcome of a state statistics , class-9-maths	1	1272	April 10, 2019
The following data on the number of girls (to the nearest ten) per thousand boys statistics , class-9-maths	1	1140	April 10, 2019
A survey conducted by an organisation for the cause of illness and death among the women statistics , class-9-maths	1	1227	April 10, 2019
A company manufactures car batteries of a particular type. The lives (in years) of 40 statistics , class-9-maths	1	719	April 10, 2019
Thirty children were asked about the number of hours they watched TV programmes statistics , class-9-maths	1	863	April 10, 2019
Three coins were tossed 30 times simultaneously each time the number of heads occurring statistics , class-9-maths	1	710	April 10, 2019
A study was conducted to find out the concentration of sulphur dioxide in the air statistics , class-9-maths	1	856	April 10, 2019
The heights of 50 students, measured to the nearest centimeters have been found statistics , class-9-maths	1	1142	April 10, 2019
The relative humidity (in %) of a certain city for a month of 30 days was as follows statistics , class-9-maths	1	960	April 10, 2019
The blood groups of 30 students of class VIII are recorded as follows statistics , class-9-maths	1	579	April 10, 2019
Classify the data in Q.1 above as primary or secondary data statistics , class-9-maths	1	783	April 10, 2019
Give five examples of data that you collect from your day-to-day life statistics , class-9-maths	1	1584	April 10, 2019
The diameter of a sphere is decreased by 25%. By what per cent does its curved surface area surface-area-volume , class-9-maths	1	944	April 10, 2019
The front compound wall of a house is decorated by wooden spheres of diameter 21 cm surface-area-volume , class-9-maths	1	1244	April 10, 2019
A wooden bookshelf has external dimensions as follows : Height = 110cm, Depth = 25cm surface-area-volume , class-9-maths	1	507	April 10, 2019
A capsule of medicine is in the shape of a sphere of diameter 3.5 mm surface-area-volume , class-9-maths	1	1029	April 10, 2019