Level – 2 Line Graph Practice Quiz -4- Medium

Directions: Study the following graphs carefully and answer the following questions given below in each graph.

Number of candidates (boys and girls) appeared and qualified in an examination over the years

(1.1) What was the approximate percentage of boys qualified to appeared in 1992?

(A) 35            (B) 70                 (C) 80                    (D) 65

 Solution: ( B)

The approximate percentage of boys qualified to appear in 1992.

             =12.5/17.5 × 100=71.43  = 70%

(1.2) The total number of girls qualified in 1991 and 1992 together was exactly equal to the number of girls appeared in which of the following years—

(A)    1994                       (B)    1995             (C)   1991              (D) 1990               (E) None of these

Solution: (d)   

The total number of girls qualified to appear in 1991 and 92.

                             =2500+5000= 7500

                             = Total number of girls involved is 1990

(1.3) What was the percentage increase in the number of boys qualified from 1993 to 1994?

(A) 50                (B) 5                       (C) 100                 (D) 200                 (E) None of these

Solution: (d)  

The percentage increase in the number of boys qualified from 1993 to 1994

                                  = (15 – 5) * 1000=10000

                                   Percentage increase = 10000/5000* 100 = 200

(1.4) What did the difference between the total number of boys and girls appeared in 1993 and the total number of boys and girls appear in 1991?

(A) 500             (B) 2500              (C) 7500                (D) 10000             (E) None of these

Solution: (b)  

difference between the total number of boys and girls appeared is 1993 and the total number of boys and girls appeared is 1993 and the total number of boys and girls appeared in 1991

                              = [(12.5 + 10) – (15 + 5)] * 1000

                             = (22.5 – 20) * 1000= 2.5* 1000

                             = 2500

(1.5) In which of the following year was the percentage of girls qualified to appear the highest among the given years?

(A) 1991              (B) 1993                (C) 1994                (D) 1992               (E) None of these

Solution: (b)   

The percentage of girls qualified to appear in 1990      = 5.0/7.5×100 = 66.66%

The percentage of girls qualified to appear in 1991      = 2.5/5×100 = 50%

The percentage of girls qualified to appear in 1992      = 5/10×100 = 50%

The percentage of girls qualified to appear in 1993     = 7.5/10×100 = 75%

The percentage of girls qualified to appear in 1995     = 7.5/12.5×100 = 60%

 The percentage of girls qualified to appear in 1996     =  12.5/17.5×100 = 71.43%

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