Find the mean salary of 60 workers of a factory from the following table
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1
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1603
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April 10, 2019
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Find the mode of 14, 25,14, 28,18,17,18,14, 23, 22,14 and 18
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1
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1386
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April 10, 2019
|
The following observations have been arranged in ascending order
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1
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717
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April 10, 2019
|
In a mathematics test given to 15 students, the following marks (out of 100) are recorded
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1
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1826
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April 10, 2019
|
The following number of goals were scored by a team in a series of 10 matches
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1
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2350
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April 10, 2019
|
100 surnames were randomly picked up from a local telephone directory and a frequency
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1
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1136
|
April 10, 2019
|
A random survey of the number of children of various age groups playing in a park
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1
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1384
|
April 10, 2019
|
The runs scored by two teams A and B on the first 60 balls in a cricket match
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|
1
|
2423
|
April 10, 2019
|
The following table gives the distribution of students of two sections according to the marks
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|
1
|
1598
|
April 10, 2019
|
The following table gives the lifetimes of 400 neon lamps
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1
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1199
|
April 10, 2019
|
The length of 40 leaves of a plant measured correct to one millimetre
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1
|
703
|
April 10, 2019
|
Given below are the seats won by different political parties in the polling outcome of a state
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|
1
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1267
|
April 10, 2019
|
The following data on the number of girls (to the nearest ten) per thousand boys
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|
1
|
1140
|
April 10, 2019
|
A survey conducted by an organisation for the cause of illness and death among the women
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|
1
|
1222
|
April 10, 2019
|
A company manufactures car batteries of a particular type. The lives (in years) of 40
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|
1
|
716
|
April 10, 2019
|
Thirty children were asked about the number of hours they watched TV programmes
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|
1
|
858
|
April 10, 2019
|
Three coins were tossed 30 times simultaneously each time the number of heads occurring
|
|
1
|
709
|
April 10, 2019
|
A study was conducted to find out the concentration of sulphur dioxide in the air
|
|
1
|
854
|
April 10, 2019
|
The heights of 50 students, measured to the nearest centimeters have been found
|
|
1
|
1137
|
April 10, 2019
|
The relative humidity (in %) of a certain city for a month of 30 days was as follows
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1
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958
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April 10, 2019
|
The blood groups of 30 students of class VIII are recorded as follows
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1
|
578
|
April 10, 2019
|
Classify the data in Q.1 above as primary or secondary data
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1
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783
|
April 10, 2019
|
Give five examples of data that you collect from your day-to-day life
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1
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1582
|
April 10, 2019
|
The diameter of a sphere is decreased by 25%. By what per cent does its curved surface area
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1
|
939
|
April 10, 2019
|
The front compound wall of a house is decorated by wooden spheres of diameter 21 cm
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|
1
|
1241
|
April 10, 2019
|
A wooden bookshelf has external dimensions as follows : Height = 110cm, Depth = 25cm
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|
1
|
506
|
April 10, 2019
|
A capsule of medicine is in the shape of a sphere of diameter 3.5 mm
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1
|
1023
|
April 10, 2019
|
Twenty seven solid iron spheres, each of radius r and surface area S are melted
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|
1
|
1846
|
April 10, 2019
|
A dome of a building is in the form of a hemisphere. From inside, it was white washed
|
|
1
|
1779
|
April 10, 2019
|
Find the volume of a sphere whose surface area is 154 cm2
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|
1
|
1297
|
April 10, 2019
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