| Directions: Study the following pie chart carefully to answer the questions that follow. [IBPS (PO) 2012] |
| Percentagewise distribution of teachers who teach six different subjects |
 |
| Total number of teachers = 1800 |
| If the percentage of Mathematics teachers is increased by 50% and percentage of Hindi teachers is decreased by 25%, then what will be the total number of Mathematics and Hindi teachers together? |
A) 390
B) 379
C) 469
D) 480
E) None of these
Correct Answer: C
Solution :
| Required number |
| \[=\left( 1800\times \frac{13}{100}\times \frac{150}{100} \right)+\left( 1800\times \frac{8}{100}\times \frac{75}{100} \right)\] |
| \[=351+108=459\] |
You need to login to perform this action.
You will be redirected in
3 sec
