62
Shortest film by category
Medium
8%
4.2
63
Top 5 customers by store
Hard
8%
4.2
64
Top 2 films by category
Hard
14%
4.2
72
Days when they became happy customers
Medium
10%
4.2
73
Number of days to become a happy customer
Hard
11%
4.2
74
The most productive actors by category
Hard
7%
4.2
75
Top customer by movie category
Medium
26%
4.2
76
Districts with the most and least customers
Easy
12%
4.2
83
Top search_query in US and UK on new year's day
facebook
Medium
6%
4.2
88
Top song report
spotify
Medium
22%
4.2
90
Top artist report
spotify
Medium
21%
4.2
105
Number of days gap between last two actions
google
Hard
8%
4.2
109
Top 3 most popular product categories
amazon
Easy
11%
4.2
110
Most popular product by category
amazon
Medium
12%
4.2
116
Top answers day by device
amazon
Easy
14%
4.2
119
Top 2 countries by bookings
airbnb
Hard
10%
4.2
120
First ever booking
airbnb
Hard
10%
4.2
122
Top country by wow growth
airbnb
Hard
13%
4.2
123
Top listing in the United States, United Kingdom and Canada
airbnb
Medium
10%
4.2
127
Average rating after 10th trip
uber
Hard
11%
4.2
135
Unlucky employees
robinhood
Easy
16%
4.2
137
Extremely late first orders
doordash
Medium
9%
4.2
139
Poor first delivery experience
doordash
Medium
17%
4.2
142
First order date
afterpay
Easy
40%
4.2
144
Third order
afterpay
Medium
9%
4.2
145
Returning customers after first buy
afterpay
Hard
16%
4.2
148
Most popular video category
google
Medium
13%
4.2
157
Number of trips before a driver got banned
lyft
Medium
10%
4.2
158
First trip completion rate
lyft
Medium
22%
4.2
165
Session stitching
walmart
Hard
17%
4.2
166
Top 10 customers based on spend growth
walmart
Medium
11%
4.2
188
Top 1 popular question by department
google
Hard
14%
4.2
201
Top 3 students for each subject
snap
Hard
67%
4.2
203
Top product by country by month
apple
Hard
100%
4.2
208
Top 3 urls by testing groups
apple
Hard
10%
4.2
211
Top issuer by category
visa
Medium
30%
4.2
212
Highest spender's issuers
visa
Hard
0%
4.2