If a : b = 3 : 5 and a : c = 5 : 7, what (b – c) : (b + c) equal to?

1.	If a : b = 3 : 5 and a : c = 5 : 7, what (b – c) : (b + c) equal to? (A) 4 : 49 (B) 49 : 4 (C) 5 : 48 (D) 48 : 5
Answer» (A) 4 : 49 None (Close Option A)

If a : b = 3 : 5 and a : c = 5 : 7, what (b – c) : (b + c) equal to? (A) 4 : 49 (B) 49 : 4 (C) 5 : 48 (D) 48 : 5

Answer»

(A) 4 : 49

None (Close Option A)

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If a : b = 3 : 5 and a : c = 5 : 7, what (b – c) : (b + c) equal to? (A) 4 : 49 (B) 49 : 4 (C) 5 : 48 (D) 48 : 5

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