Maths 3 Mark Question

Draw a histogram for the daily earning of 30 drug stores in the following table:

Daily earning (in ₹):	450-500	500-550	550-600	600-650	650-700
Number of stores:	16	10	7	3	1

Read the following bar graph and answer the following questions:

1. What is the information given by the bar graph?
2. State each of the following whether true or false.

1. The number of government companies in 1957 is that of 1982 is 1 : 9.
2. The number of government companies has decreased over the year 1957 to 1983.

The following bar graph shows the results of an annual examination in a secondary school.
Read the bar graph and choose the correct alternative in each of the following:

1. The pair of classes in which the results of boys and girls are inversely proportional are:

1. VI, VIII
2. VI, IX
3. VII, IX
4. VIII, X

2. The class having the lowest failure rate of girls is:

1. VI
2. X
3. IX
4. VIII

3. The class having the lowest pass rate of students is:

1. VI
2. VII
3. VIII
4. IX

Construct a histogram for the following data:

Monthly School fee (in ₹):	30-60	60-90	90-120	120-150	150-180	180-210	210-240
No of schools	5	12	14	18	10	9	4

The following is the distribution of total household expenditure (in ₹) of manual worker in a city:

Expenditure (in ₹):	100-150	150-200	200-250	250-300	300-350	350-400	400-450	450-500
No. of manual workers:	25	40	33	28	30	22	16	8

Draw a histogram and a frequency polygon representing the above data.

Read the bar graph given in and answer the following questions:

1. What information is given by the bar graph?
2. What was the crop-production of rice in 1970–71?
3. What is the difference between the maximum and minimum production of rice?

The monthly profits (in ₹) of 100 shops are distributed as follows:

Profits per shop:	0-50	50-100	100-150	150-200	200-250	250-300
No. of shops:	12	18	27	20	17	6

Draw a histogram for the data and show the frequency polygon for it.

Read the following bar graph and answer the following questions:

1. What information is given by the bar graph?
2. What was the production of cement in the year 1980–81?
3. What are the minimum and maximum production of cement and corresponding years?

The distribution of height (in cm) of 96 children is given below. Construct a histogram and a frequency polygon on the same axes.

Height (in cm):	124 to 128	128 to 132	132 to 136	136 to 140	140 tom 144	144 to 148	148 to 152	152 to 156	156 to 160	160 to 164
No. of children:	5	8	17	24	16	12	6	4	3	1

Read the graph given in figure and answer the following question:

1. What information is given by the bar given?

2. In which years the areas under the sugarcane crop were the maximum and the minimum?
3. State whether true or false:

The area under sugarcane crop in the year 1982–83 is three times that of the year 1950–51.