What will be the duplicate ratio of 2 : 7?

More Questions from Ratio and Proportion

• Find the sub-duplicate ratio of 81 : 64?
• Find the triplicate ratio of 7 : 5?
• What will be the inverse ratio of 17 : 19?
• If a : b = b : c, then ratio a 4 : b 4 is equal to
• If a : b = 3 : 5 and b : c = 4 : 7 then a : c is equal to
• If 4a = 5b and 7b = 9c, then a : b : c is equal to
• If a/7 = b/9 = c/11, then find a : b : c?
• If 30% of A = 20 % of B, then find the value of A : B?
• If P : Q : R = 2 : 3 : 4, then find P/Q : Q/R : R/P?
• If A = B/4 and B = C/2, then find the value of A : B : C?

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