Quantitative Aptitude - Data Interpretition

Directions (Q. 1-5): Study the following pie-chart carefully to answer these questions.
1. If two-ninths of the teachers who teach Physics are female, then the number of male Physics teachers is approximately what percentage of the total number of teachers who teach Chemistry?
1) 57
2) 42
3) 63
4) 69
5) 51


2. What is the total number of teachers teaching Chemistry, English and Biology?
1) 1,226
2)1,116
3) 1,176
4) 998
5) None of these

3. What is the difference between the total number of teachers who teach English and Physics together and the total number of teachers who teach Mathematics and Biology together?
1) 352
2) 342
3) 643
4) 653
5) None of these

4. What is the ratio of the number of teachers who teach Mathematics to the number of teachers who teach Hindi?
1) 13 : 7
2) 7 : 13
3) 7 : 26
4) 8 : 15
5) None of these

5. If the percentage of Mathematics teachers is increased by 50 per cent and the percentage of Hindi teachers decreased by 25 per cent then what will be the total number of Mathematics and Hindi teachers together?
1) 390
2) 379
3) 459
4) 480 5
) None of these

Answer:
1. -1
2. -2
3. -2
4. -5

5. -3

Directions (Q. 1-5): Study the following pie-chart carefully to answer these questions.
1. If two-ninths of the teachers who teach Physics are female, then the number of male Physics teachers is approximately what percentage of the total number of teachers who teach Chemistry?
1) 57
2) 42
3) 63
4) 69
5) 51


2. What is the total number of teachers teaching Chemistry, English and Biology?
1) 1,226
2)1,116
3) 1,176
4) 998
5) None of these

3. What is the difference between the total number of teachers who teach English and Physics together and the total number of teachers who teach Mathematics and Biology together?
1) 352
2) 342
3) 643
4) 653
5) None of these

4. What is the ratio of the number of teachers who teach Mathematics to the number of teachers who teach Hindi?
1) 13 : 7
2) 7 : 13
3) 7 : 26
4) 8 : 15
5) None of these

5. If the percentage of Mathematics teachers is increased by 50 per cent and the percentage of Hindi teachers decreased by 25 per cent then what will be the total number of Mathematics and Hindi teachers together?
1) 390
2) 379
3) 459
4) 480 5
) None of these

Answer:
1. -1
2. -2
3. -2
4. -5

5. -3

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