Quants Questions : Data Interpretation Set 21

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Study the following graph to answer the following questions
Total number of students = 90,000

Number of Boys student in each district out of 90,000

1. The no of girls students in District T is what % of the total no students in District Q ?
   A)47%
   B)31%
   C)37%
   D)40%
   
   Answer

   B)31%
   Explanation :
   No of girls in T = (12*90000/100)-7200 = 10800 – 7200 = 3600
   Total no of students in Q = 13*90000/100 = 11700
   % = 3600*100/11700 = 30.77% = 31%
   
   
   
2. What is the average number of boys students in all the districts together ?
   A)7533
   B)7355
   C)7550
   D)7300
   
   Answer

   A)7533
   Explanation :
   6500+8900+5500+9100+7200+8000/6 = 45200/6 = 7533
   
   
   
3. What is the difference between the number of girls students in District P and the total number of students in district R ?
   A)11000
   B)9700
   C)10000
   D)10100
   
   Answer

   D)10100
   Explanation :
   Total no of students in R = 22*90000/100 = 19800
   No of girls in P = (18*90000/100)-6500 = 16200 -6500 = 9700
   Difference = 19800 – 9700 = 10100
   
   
   
4. What is the ratio of the no of boys  in District U to the total no of girls in District S ?
   A)43:76
   B)50:75
   C)53:80
   D)80:53
   
   Answer

   D)80:53
   Explanation :
   Boys in U = 8000
   Girls in S = (16*90000/100)-9100 = 5300
   80:53
   
   
   
5. What is the total no of students in District P,R and T ?
   A)46000
   B)46800
   C)48600
   D)45000
   
   Answer

   B)46800
   Explanation :
   P = 18*90000/100 = 16200
   R = 22*90000/100 = 19800
   T = 12*90000/100 = 10800
   Total = 46,800
   
   
   

II. Study the following graph to answer the following questions
Note : all the data in percentage

1. If saving amount is 12,000 ,then find her salary ?
   A)Rs.1,15,000
   B) Rs.1,20,000
   C) Rs.1,10,000
   D) Rs.1,00,000
   
   Answer

   B) Rs.1,20,000
   Explanation :
   10 %= 12000
   100% = 100*12000/10 = 1,20,000
   
   
   
2. Amount spent on Transport is what % of the amount spent on food ?
   A)65%
   B)80%
   C)76%
   D)71%
   
   Answer

   C)76%
   Explanation :
   T = 16*1,20,000/100 = 19,200
   F = 21*1,20,000/100 =25,200
   % = 19200*100/25200 = 76.19 = 76%
   
   
   
3. How much money spent for entertainment and rent together ?
   A) Rs.44,400
   B) Rs.40,000
   C) Rs.44,000
   D) Rs.39,500
   
   Answer

   A) Rs.44,400
   Explanation :
   E = 16*1,20,000/100 = 19,200
   R = 21*1,20,000/100 =25,200
   Total = 19200+25200 = 44400
   
   
   
4. Ratio between the amount spent on Education and Saving ?
   A)2:5
   B)1:3
   C)8:5
   D)2:5
   
   Answer

   C)8:5
   Explanation :
   E = 16% = 16*1,20,000/100 = 19,200
   S = 10% = 12,000
   E : S = 192 :120 = 8:5
   
   
   
5. If her salary is increased by 20% and decreased by 5% then what will be her salary now ?
   A)Rs.1,36,800
   B)Rs.1,44,000
   C)Rs.1,36,000
   D)Rs.1,32,000
   
   Answer

   A)Rs.1,36,800
   Explanation :1,20,000*(120/100)*(95/100) = 1,36,800