Question

How many integers between 2020 and 2400 have four distinct digits arranged in increasing order?

Answer 1

HELLO DEAR,

QUESTION:-How many integers between 2020 and 2400 have four distinct digits arranged in increasing order?

ANSWER:-

2345 , 2346 , 2347 , 2348 , 2349

2356 , 2357 , 2358 , 2359

2367 , 2368 , 2369

2378 , 2379

2389

are the numbers which are between 2020 and 2400 have four distinct digits arranged in increasing order.

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THANKS.