World's Largest Cities that Never Reuse a Letter

Metro Populations Used Stats from worldatlas.com Example:Arizona reuses the letter A Utah has four unique letters Utah contains four unique letters
Quiz by declanaw
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Last updated: August 6, 2017
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First submittedAugust 6, 2017
Times taken62
Average score53.3%
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Rank
Hint
Answer
3
24,998,000
Delhi
5
23,480,000
Seoul
17
15,600,000
Cairo
22
13,532,000
Tehran
23
13,287,000
Istanbul
24
13,123,000
Lagos
29
10,858,000
Paris
30
10,750,000
Lima
Rank
Hint
Answer
31
10,376,000
Chengdu
34
10,052,000
Lahore
43
7,509,000
Wuhan
59
5,977,000
Xian
62
5,816,000
Quigdao
66
5,666,000
Riyadh
67
5,631,000
Pune
+1
Level 95
Aug 6, 2017
Typo for No. 62.
+1
Level 74
Aug 6, 2017
There's New York, but I guess you've had New York City in mind.
+1
Level 68
Aug 6, 2017
New York City?
+1
Level 63
Aug 10, 2017
New York is the official name for the city and New York City is just a nickname to make it different from the state.