App Logo

No.1 PSC Learning App

1M+ Downloads
a:b = 1:2 എങ്കിൽ 3(a-b) എത?

A-3/2b

B3/2b3/2b

C2/3b2/3b

D1/3b1/3b

Answer:

A. -3/2b

Read Explanation:

a:b = 1 :2 a/b = 1/2 a = b/2 3(a-b) =3(b/2 - b) =3(-b/2) =-3/2 b


Related Questions:

Two numbers are in the ratio 4:5. The differance of their square is 81, find the numbers?
Choose the best alternative 68: 130 :: ..... : 350
How many litres of milk with 24% concentration are to be mixed with 18 litres with 72% concentration to get a mixture with 36% concentration?
The sum of three numbers is 100. The ratio of the first number to the second number is 4: 9 and the ratio of the second to the third number is 3: 4. Find the second number.
The ages of Gyanendra and Arbind are in the ratio 6 ∶ 5. If the sum of their ages is 55 years, then what will be the ratio of their ages after seven years from now?