Quantitative Aptitude Ques 1657

Question: 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?

Options:

A) 390

B) 379

C) 469

D) 480

E) None of these

Show Answer

Answer:

Correct Answer: C

Solution:

  • Required number $ =( 1800\times \frac{13}{100}\times \frac{150}{100} )+( 1800\times \frac{8}{100}\times \frac{75}{100} ) $ $ =351+108=459 $
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