[PPSC Naib Tehsildar 2022]
6. Rekha made a new year’s resolution to exercise. On January 1, at 7 AM, she went for a jog from her home to the nearby park and back, returning at 7:32 AM. On January 2, at 7 AM, she went jogging to the park, but this time she walked back. Consequently, she returned home at 7:40 AM. On January 3 too, she set out at 7 AM, but this time she walked both ways. At what time did she return home (assuming her jogging speed and her walking speed are fixed) ?
Between 7:41 AM and 7:45 AM
Between 7:53 AM and 7:57 AM
Between 7:49 AM and 7:53 AM
Between 7:45 AM and 7:49 AM
7. On buying a pen, the shopkeeper gives three refills free. On buying a pen and six refills, the shopkeeper gives additional four refills free. If the equivalent discount is the same in both cases, then how many refills will be equal in value to a pen ?
18
24
15
20
Directions (Questions no. 8 to 10) : Read the graph given below and answer the questions. The following graph represents percentage of graduated students placed from the three engineering colleges X, Y and Z over the period of time.
8. What is the difference in average placement percentage of colleges X and Y ?
2.92%
3.42%
4.12%
4.32%
9. If in 2019, colleges X, Y and Z had 150, 250 and 350 students graduating respectively, then what is the total number of students that got placed ?
356
458
424
288
10. If the college Y, had 200, 200, 300, 150, 300, 200 and 250 students graduating in the years 2015 to 2021 respectively, then what is the total number of students unplaced from college Y in these 7 years ?
708
528
646
829