RRB NTPC · Question 83
Study the following table and answer the questions given below. The table contains the total number of students hired by IT companies I, II, III and the respective percentages of such hiring from colleges P, Q, R, and S.
| IT Company | No. of students hired | P (%) | Q (%) | R (%) | S (%) |
|---|---|---|---|---|---|
| I | 1800 | 24 | 32 | 28 | 16 |
| II | 2400 | 27 | 30 | 25 | 18 |
| III | 1500 | 32 | 20 | 25 | 23 |
How many more students did all the three companies together hire from College P in comparison with College S?
Show answer & explanation
Answer: (A) 495
Explanation
From P: 24% of 1800 + 27% of 2400 + 32% of 1500 = 432 + 648 + 480 = 1560. From S: 288 + 432 + 345 = 1065. Difference = 495.