Quantitative Aptitude: Data Interpretation Questions Set 98

Directions(1-5): Study the following Pie–chart carefully and answer the questions given below :
Total Professionals = 21000
Various Professionals in the Town

1. The total number of Teachers in town are approximately what per cent of the total number of Engineer in town ?
   124
   155
   125
   130
   111
   Option C
   Required% = 25/20*100 = 125

    

2. What is the difference between the number of Female Teachers and the number of Male Lawyers ?
   1722
   1827
   1674
   1655
   1107
   Option B
   Required difference
   = 25/100*60/100*21000 – 9/100*70/100*21000
   = 3150 – 1323 = 1827

    

3. Female Doctors are approximately what percent of the Female Bankers in the town ?
   125 %
   136 %
   115 %
   126 %
   130 %
   Option B
   Female Bankers in town = 40/100*11/100*21000 = 924
   Female Doctors in town = 30/100*20/100* 21000 = 1260
   Required% = 1260/924*100 = 136.36% == 136 %

    

4. What is respective ratio of the Female Architects and Lawyers to the same Male professionals in the town ?
   213 : 355
   201 : 324
   203 : 357
   200 : 307
   203 : 333
   Option C
   Required ratio
   = [15/100*40/100*21000+9/100*30/100*21000] : [15/100*60/100*21000+9/100*70/100*21000] = (1260 + 567) : (1890 + 1323) = 1827 : 3213 = 203 : 357

    

5. What is the respective ratio of the number of Male Bankers to the number of Male Doctors in the town ?
   35 : 66
   33 : 70
   30 : 71
   29 : 72
   31 : 69
   Option B
   Number of male Bankers = 11/100*(100 – 40)/100*21000
   = 1386
   Number of male Doctor = 20/100*(100 – 30)/100*21000 = 2940
   Required ratio = 1386 : 2940 = 33 : 70

    

Directions(6-10):Study the information carefully to answer the questions that follow :

In a school, there are 1600 students who have visited Puri, Jaipur, Agra, Hyderabad or Patna. 40 per cent of the total students are Boys. 20 per cent of total Girls visited Jaipur. One–third of the total Girls visited Patna. Number of Girls who visited Hyderabad is half of the Girls visited Patna. Two–third of remaining Girls visited Agra. Total number of students who visited Jaipur is 400. 40 per cent of the total Boys visited Patna. 25 per cent of total Boys visited Hyderabad. Equal number of Boys visited Agra and Puri.

6. Total number of students who visited Hyderabad is approximately what percent of number of Girls who visited Patna ?
   80%
   100%
   70%
   90%
   60%
   Option B
   Required% = (160 + 160)/320*100
   = 100%

    

7. What is the total number of students who visited Patna, Agra and Hyderabad ?
   1301
   1210
   1096
   1013
   1010
   Option C
   Required number of students
   = 320 + 256 + 192 + 8 + 160 + 160
   = 1096

    

8. What is respective ratio between the number of Girls visited Jaipur and number of Boys visited Hyderabad ?
   3:4
   7:8
   6:11
   6:5
   3:4
   Option D
   Required ratio = 192/160 = 6 : 5

    

9. What is the average number of Boys who visited Jaipur, Puri, Patna and Agra together ?
   101
   85
   80
   120
   90
   Option D
   Req. average = [208 + 256 + 8 + 8]/4
   = 480/4 = 120

    

10. What is the total number of students who visited Puri ?
    125
    115
    111
    120
    104
    Option E
    Total number of students who visited Puri
    = 96 +8 = 104