How many 4-digit combinations of numbers are there such that no digits repeat and all of the digits are from 0 through 9?
1 answer:
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Step-by-step explanation:
<h2>Answer:-</h2><h3>Given ,</h3>The figure is Similar.
Observation:-
Similar figures have similar sides. If we see carefully in smaller triangle, 3 has been added to each side and they are similar. We need to find y.
We have :-
5+3=8 as similar sides.
So, applying same algorithm,
is the answer.
Hope it helps :)