46.  Study the following line graph which gives the number of students who joined and left the school in the beginning of year for six years, from 1996 to 2001.
The strength of school increased/decreased from 1997 to 1998 by approximately what percent? 
a.  1.2% 
b.  1.7% 
c.  2.1% 
d.  2.4% 
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Answer: (b).1.7%

47.  Study the following line graph which gives the number of students who joined and left the school in the beginning of year for six years, from 1996 to 2001.
The number of students studying in the school in 1998 was what percent of the number of students studying in the school in 2001? 
a.  92.13% 
b.  93.75% 
c.  96.88% 
d.  97.25% 
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Answer: (b).93.75%

48.  Study the following line graph which gives the number of students who joined and left the school in the beginning of year for six years, from 1996 to 2001.
The ratio of the least number of students who joined the school to the maximum number of students who left the school in any of the years during the given period is? 
a.  7:9 
b.  4:5 
c.  3:4 
d.  2:3 
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Answer: (d).2:3

49.  Study the following line graph which gives the number of students who joined and left the school in the beginning of year for six years, from 1996 to 2001.
During which of the following pairs of years, the strength of the school was same? 
a.  1999 and 2001 
b.  1998 and 2000 
c.  1997 and 1998 
d.  1996 and 2000 
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Answer: (d).1996 and 2000

50.  Study the following line graph which gives the number of students who joined and left the school in the beginning of year for six years, from 1996 to 2001.
Among the given years, the largest number of students joined the school in the year? 
a.  1996 
b.  1998 
c.  2001 
d.  2000 
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Answer: (c).2001
