Data Interpretation Discussion

**Common Information**

The following pie-charts show the distribution of students of graduate and post-graduate levels in seven different institutes in a town.

Q. |
What is the ratio between the number of students studying at post-graduate and graduate levels respectively from institute $S$? |

✖ A. |
14 : 19 |

✖ B. |
19 : 21 |

✖ C. |
17 : 21 |

✔ D. |
19 : 14 |

**Solution:**

Option(**D**) is correct

Required ratio:

$=\dfrac{(21\% \text{ of } 24,700)}{(14\% \text{ of } 27,300)}$

$=\dfrac{21 × 24,700}{14 × 27,300}$

$=\dfrac{19}{14}$

$= \textbf{19 : 14}$