# NCERT Solutions for Class 6 Maths Chapter 9 - Data Handling

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## Chapter 9 - Data Handling Exercise Ex. 9.1

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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

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## Chapter 9 - 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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