Class 6 NCERT Solutions Maths Chapter 9 - Data Handling
Data Handling Exercise Ex. 9.1
Solution 1
Solution 2
Solution 3
Solution 4
Solution 5
Solution 6
(a) Number of bulbs sold on Friday are 14.
(b) Maximum numbers of bulbs i.e. 18 were sold on Sunday.
(c) Equal numbers of bulbs i.e. 8 were sold on Wednesday and Saturday.
(d) Minimum number of bulbs i.e. 8 were sold on Wednesday and Saturday.
(e) Total number of bulbs sold in the week = 12 + 16 + 8 + 10 + 14 + 8 + 18 = 46
One big carton can hold 9 bulbs …. Given
Number of cartons = 
= 10
Therefore number of cartons were needed in the given week is 10.
Solution 7
Data Handling Exercise Ex. 9.2
Solution 1
Solution 2
Data Handling Exercise Ex. 9.3
Solution 1
Solution 2
Solution 3
Data Handling Exercise Ex. 9.4
Solution 1
Reading story books is preferred by most of the students other than playing.
Solution 2
Solution 3
(a) In the year 2002, the maximum number of bicycles were manufactured.
(b) In the year 1999, the minimum number of bicycles were manufactured.
Solution 4
(a) 30-44 and 45-59 age groups have the same population 1 lakh 20 thousands.
(b) There are 1 lakh 20 thousands senior citizens in the town. (80 thousands + 40 thousands = 1 lakh 20 thousands )
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