App Logo

No.1 PSC Learning App

1M+ Downloads
If A : B = 7 : 9, and B : C = 5 : 7 , then A : C =

A5 : 9

B9 : 5

C7 : 5

D9 : 7

Answer:

A. 5 : 9

Read Explanation:

A : B = 7 : 9 = 5( 7 : 9) = 35 : 45 B : C = 5 : 7 = 9( 5 : 7) = 45 : 63 A : C = 35 : 63 = 5 : 9


Related Questions:

A ∶ B = 4 ∶ 5, B ∶ C = 7 ∶ 9 ആണെങ്കിൽ, A ∶ B ∶ C കണ്ടെത്തുക
X :Y = 5:1, XY = 320 ആയാൽ X, Y എത്ര?
Several students have taken an exam. There was an error in the answer key which affected the marks of 48 students, and their average marks reduced from 78 to 66. The average of remaining students increased by 3.5 marks. This resulted the reduction of the average of all students by 4.5 marks. The number of students that attended the exam is:
A bag contains 50p, 25p and 10p coins in the ratio of 5 : 3 : 2, amounting to Rs. 276. Find the number of coins of each type respectively.
A 60 liter mixture of milk and water contains 10% water. How much water must be added to make water 20% in the mixture?