Home Competitions AHSME 1995 Problem 11
How many base 10 four-digit numbers, N = a ‾ b ‾ c ‾ d ‾ N = \underline{a} \underline{b} \underline{c} \underline{d} N = a b c d , satisfy all three of the following conditions?
(i) 4 , 000 ≤ N < 6 , 000 ; 4,000 \leq N < 6,000; 4 , 000 ≤ N < 6 , 000 ; (ii) N N N is a multiple of 5; (iii) 3 ≤ b < c ≤ 6 3 \leq b < c \leq 6 3 ≤ b < c ≤ 6 .
( A ) 10 ( B ) 18 ( C ) 24 ( D ) 36 ( E ) 48 \mathrm{(A) \ 10 } \mathrm{(B) \ 18 } \mathrm{(C) \ 24 } \mathrm{(D) \ 36 } \mathrm{(E) \ 48 } ( A ) 10 ( B ) 18 ( C ) 24 ( D ) 36 ( E ) 48
Dataset text NuminaMath-1.5 . Quoted with source.
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