With Rs. 1000 a rancher is to buy steers at Rs. 25 each and cows at Rs. 26 each. If the number of steers s and the number of cows c are both positive integers, then:
A
this problem has no solution
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B
there are two solutions with s exceeding c
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C
there are two solutions with c exceeding s
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D
there is one solution with s exceeding c
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E
there is one solution with c exceeding s
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Solution
The correct option is D there is one solution with c exceeding s 25s+26c=1000; ∴s=40−26c25 The only solution in positive integers is c=25;s=14