Of three positive numbers, the ratio of 1st and 2nd is 7 : 3, that of – McqOptions

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1.	Of three positive numbers, the ratio of 1st and 2nd is 7 : 3, that of 2nd and 3rd is 4 : 5. The product of 1st and 3rd is 10500. What is the sum of the three numbers?
A.	1600
B.	275
C.	1675
D.	1375
Answer» C. 1675

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