Section : Data Interpretation
Directions : Study the following Pie-Chart carefully and answer the following questions.
Given below is the percentage wise distribution of teachers who teach six different subjects.
Total number of teachers = 3600
Q1.If two-ninth of the teachers who teach Physics are female, then number of male Physics teachers is approximately what percentage of the total number of teachers who teach Chemistry ?
- 57
- 42
- 63
- 69
- 45
View Answer / Explanation
Correct Ans : 57 %
Explanation :
No. Of male teachers who teach Physics = (7/9)*3600*(17/100) = 476
Total No. of teachers who teach Chemistry = 3600 * (23/100) = 828
= > Req. Percentage = (476/828)*100 = 57
Q2.What is the total number of teachers teaching Chemistry, English and Biology ?
- 1226
- 684
- 1176
- 998
- 2232
View Answer / Explanation
Correct Ans : 2232
Explanation :
No. of teachers who teach Chemistry, English and Biology = ( 23+27+12) % of 3600 = 2232
Q3.What is the difference between the total number of teachers who teach English and Physics together and the total number of teachers who teach Maths and Biology together ?
- 352
- 684
- 643
- 653
- 455
View Answer / Explanation
Correct Ans : 684
Explanation :
English + Physics = 27+17 = 44%
Maths + Biology = 3+12 = 25%
Difference => 44 – 25 = 19% of 3600 => Ans = 684
Q4.What is the perspective ratio of the number of teachers who teach Maths and number of teachers who teach Hindi ?
- 13 : 7
- 7 : 13
- 7 : 26
- 8 : 15
- 13 : 8
View Answer / Explanation
Correct Ans : 13 : 8
Q5.If the percentage of Maths teachers is increased by 50 percent and percentage of Hindi teachers is decreased by 25 percentage then what will be the total number of Maths and Hindi teachers together ?
- 780
- 379
- 918
- 240
- 550
View Answer / Explanation
Correct Ans : 918
New No. of Maths teachers = (13/100)*3600*(150/100) = 702
New No. Hindi Teachers = (8/100)*3600*(75/100) = 216
Req. Sum = 702 + 216 = 918
