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T.10 Gantt chart questions for IB Business Management
16 questions on Gantt chart, written by Augment in the style of IB exam papers. Six of them are below in full, to answer on paper.
- IB Business Management
- Part of T Business management toolkit
- HL only
Questions by paper and level
| Paper | Questions |
|---|---|
| Paper 2 | 16 |
Counted on
Questions to try
Written by Augment in the style of IB exams, not past papers. Answer them on paper, then check each one against its markscheme with a free account.
Inês and Rui Calçada are opening Café Calçada, a speciality coffee shop in Lisbon, Portugal. Rui has listed the tasks involved in Table 1.
Table 1: Tasks for opening Café Calçada
Task | Description | Preceded by | Duration (weeks) |
|---|---|---|---|
A | Sign the lease | – | 1 |
B | Design the interior | A | 2 |
C | Obtain licence approval from the council | A | 4 |
D | Fit-out (builders) | B | 3 |
E | Recruit and train staff | B | 2 |
F | Install coffee equipment | D | 1 |
G | Soft opening | C, E, F | 1 |
Using Table 1, construct a Gantt chart for the opening of Café Calçada.
4 marks
Kassa Pilv OÜ, a software company in Tallinn, Estonia, sells cloud-based till (point-of-sale) software to small shops. Its project manager, Kristiina Lepp, has planned a major update of the software, shown in Figure 1.

- (a)
Using Figure 1, state the planned duration of the project.
1 mark
- (b)
Using Figure 1, identify the two tasks that are planned to take place in week 7.
2 marks
- (c)
Explain one benefit for Kassa Pilv of using a Gantt chart to plan the update.
2 marks
Salt River Brewing Co. is converting a warehouse in Cape Town, South Africa, into a taproom where it will brew and serve its own beer. The tasks are listed in Table 1, and Figure 1 shows a Gantt chart that is only partly complete.
Table 1: Tasks for the Salt River Taproom
Task | Description | Preceded by | Duration (weeks) |
|---|---|---|---|
A | Plans approved | – | 3 |
B | Building alterations | A | 4 |
C | Order and receive brewing tanks | A | 6 |
D | Install tanks | B, C | 2 |
E | Recruit staff | B | 2 |
F | Train staff | E | 1 |
G | Brew first beer | D | 3 |
H | Prepare opening event | F, G | 1 |

- (a)
Complete the Gantt chart in Figure 1.
3 marks
- (b)
Explain the effect on the opening date if:
the brewing tanks (task C) arrive 2 weeks late;
recruiting staff (task E) takes 2 weeks longer than planned.
4 marks
Bomnal Skincare Co. (BS)
BS is a cosmetics company in Seoul, South Korea. It plans to launch a reef-safe sunscreen in time for summer. The formula must pass final testing and receive regulatory approval before production can start, while the packaging and an influencer campaign are prepared alongside. The brand manager, Seo Ha-eun, has listed the tasks in Table 1.
Table 1: Tasks for the sunscreen launch
Task | Description | Preceded by | Duration (weeks) |
|---|---|---|---|
A | Final formula testing | – | 4 |
B | Regulatory approval | A | 6 |
C | Packaging design | – | 3 |
D | Order packaging | C | 2 |
E | Plan influencer campaign | A | 3 |
F | Production run | B, D | 2 |
G | Ship to stores | F | 1 |
H | Influencer campaign goes live (launch) | E, G | 2 |
- (a)
Define the term Gantt chart.
2 marks
- (b)
Using Table 1, construct a Gantt chart for the launch.
4 marks
- (c)
Using your answer to (b), identify two tasks that could be delayed without delaying the launch, and state by how many weeks each could be delayed.
2 marks
- (d)
Explain one limitation for BS of using a Gantt chart to plan the launch.
2 marks
Ubud Vows is a wedding-planning business in Bali, Indonesia, run by Made Suardana. It organizes about 60 weddings a year for overseas couples, coordinating venues, florists, caterers, musicians, photographers and transport. Couples often change their plans at short notice. Made is thinking of using a Gantt chart for every wedding.
Explain one advantage and one disadvantage for Ubud Vows of using Gantt charts to plan its weddings.
4 marks
Clínica Dental Arcos in Guadalajara, Mexico, must close while it is renovated, losing about MXN 40 000 of revenue a day. The tasks are shown in Table 1.
Table 1: Renovation tasks
Task | Description | Preceded by | Duration (days) |
|---|---|---|---|
A | Strip out old fittings | – | 2 |
B | Rewire the surgeries | A | 3 |
C | Install power and lighting for the X-ray room | A | 2 |
D | Plumbing for the dental chairs | A | 4 |
E | Plaster and paint | B, C | 3 |
F | Install dental chairs | D, E | 2 |
G | Clean and inspect | F | 1 |
- (a)
Determine the minimum number of days needed for the renovation (show all your working).
2 marks
- (b)
The clinic has only one electrician, who must do both task B and task C. Calculate the new minimum duration (show all your working).
2 marks
- (c)
Explain one way in which the clinic could avoid the extra delay.
2 marks
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More questions in Business management toolkit
- T.1SWOT analysis
- T.2Ansoff matrix
- T.3STEEPLE analysis
- T.4Boston Consulting Group (BCG) matrix
- T.5Business plan
- T.6Decision trees
- T.7Descriptive statistics
- T.8Circular business models
- T.9Force field analysis
- T.10Gantt chartThis page
- T.11Hofstede’s cultural dimensions
- T.12Porter’s generic strategies
- T.13Contribution
- T.14Critical path analysis
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