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प्रश्न
Read the bar graph shown in Fig. 23.10 and answer the following questions
(i) What is the information given by the bar graph?
(ii) What was the number of commercial banks in 1977?
(iii) What is the ratio of the number of commercial banks in 1969 to that in 1980?
(iv) State whether true or false:
The number of commercial banks in 1983 is less than double the number of commercial banks in 1969.
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उत्तर
(i) Given bar graph represents the number of commercial banks in India during some years.
(ii) The number of commercial banks in 1977 was
`120+(140-120)/2`
`=120+20/2`
=120+10
= 130.
(iii) The ratio of the number of commercial banks in 1969 was
`80 +(100-80)/2`
`=80+20/2`
=80+10
= 90
The number of commercial banks in 1980 was
`140+(160-140)/2`
`=140+20/2`
= 140+10
= 150
Hence, the required ratio is
`90/150`
=`3/5`
=3: 5
(iv) The number of commercial banks in 1983 was
`220+(240-220)/2`
`220+20/2`
=220+10
= 230
The number of commercial banks in 1969 was 90. When we multiply this number by 2, it becomes
2 × 90
= 180
Clearly, 230 is not less than 180.
Hence the statement is false.
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