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Qn #1604
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The number if non –negative integers less than 1000 that contain the digit 1 are.
A.
$9^{2}$
B.
$9^{3}$
C.
$10^{2}-9^{2}$
D.
$10^{3}-9^{3}$
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❓ Question: The number if non –negative integers less than 100... | TANCET Group Studies | Tancet Group Studies