Simplyfy the ratio `- 18 : 72 : 162​`

Simplyfy : 5 5/9-:3 1/3

Compare the ratios 4 : 5 and 18 : 25 .

72 : 18: : 56: ?

Simplyfy 5/9 - 7/12 + 1/2

3 6 18 72 360 (?)

194. 18 : 162 :: 36 : ?

Two numbers are in the ratio 5 : 4 and their sum is 162. Find the numbers.

Choose the correct alternative from the given responses that will complete the series 18, 54, 162, 486, 1458,?

Compare the pair of the ratios : (5)/(18),(17)/(21)