|
Find the mean salary of 60 workers of a factory from the following table
|
|
1
|
1729
|
April 10, 2019
|
|
Find the mode of 14, 25,14, 28,18,17,18,14, 23, 22,14 and 18
|
|
1
|
1489
|
April 10, 2019
|
|
The following observations have been arranged in ascending order
|
|
1
|
797
|
April 10, 2019
|
|
In a mathematics test given to 15 students, the following marks (out of 100) are recorded
|
|
1
|
1996
|
April 10, 2019
|
|
The following number of goals were scored by a team in a series of 10 matches
|
|
1
|
2457
|
April 10, 2019
|
|
100 surnames were randomly picked up from a local telephone directory and a frequency
|
|
1
|
1385
|
April 10, 2019
|
|
A random survey of the number of children of various age groups playing in a park
|
|
1
|
1608
|
April 10, 2019
|
|
The runs scored by two teams A and B on the first 60 balls in a cricket match
|
|
1
|
2899
|
April 10, 2019
|
|
The following table gives the distribution of students of two sections according to the marks
|
|
1
|
1801
|
April 10, 2019
|
|
The following table gives the lifetimes of 400 neon lamps
|
|
1
|
1428
|
April 10, 2019
|
|
The length of 40 leaves of a plant measured correct to one millimetre
|
|
1
|
852
|
April 10, 2019
|
|
Given below are the seats won by different political parties in the polling outcome of a state
|
|
1
|
1444
|
April 10, 2019
|
|
The following data on the number of girls (to the nearest ten) per thousand boys
|
|
1
|
1291
|
April 10, 2019
|
|
A survey conducted by an organisation for the cause of illness and death among the women
|
|
1
|
1378
|
April 10, 2019
|
|
A company manufactures car batteries of a particular type. The lives (in years) of 40
|
|
1
|
801
|
April 10, 2019
|
|
Thirty children were asked about the number of hours they watched TV programmes
|
|
1
|
948
|
April 10, 2019
|
|
Three coins were tossed 30 times simultaneously each time the number of heads occurring
|
|
1
|
789
|
April 10, 2019
|
|
A study was conducted to find out the concentration of sulphur dioxide in the air
|
|
1
|
945
|
April 10, 2019
|
|
The heights of 50 students, measured to the nearest centimeters have been found
|
|
1
|
1258
|
April 10, 2019
|
|
The relative humidity (in %) of a certain city for a month of 30 days was as follows
|
|
1
|
1039
|
April 10, 2019
|
|
The blood groups of 30 students of class VIII are recorded as follows
|
|
1
|
654
|
April 10, 2019
|
|
Classify the data in Q.1 above as primary or secondary data
|
|
1
|
842
|
April 10, 2019
|
|
Give five examples of data that you collect from your day-to-day life
|
|
1
|
1658
|
April 10, 2019
|
|
The diameter of a sphere is decreased by 25%. By what per cent does its curved surface area
|
|
1
|
1079
|
April 10, 2019
|
|
The front compound wall of a house is decorated by wooden spheres of diameter 21 cm
|
|
1
|
1346
|
April 10, 2019
|
|
A wooden bookshelf has external dimensions as follows : Height = 110cm, Depth = 25cm
|
|
1
|
599
|
April 10, 2019
|
|
A capsule of medicine is in the shape of a sphere of diameter 3.5 mm
|
|
1
|
1160
|
April 10, 2019
|
|
Twenty seven solid iron spheres, each of radius r and surface area S are melted
|
|
1
|
2188
|
April 10, 2019
|
|
A dome of a building is in the form of a hemisphere. From inside, it was white washed
|
|
1
|
2060
|
April 10, 2019
|
|
Find the volume of a sphere whose surface area is 154 cm2
|
|
1
|
1509
|
April 10, 2019
|