Correct Answer: Option B

Explanation

x : y = 3.5, y : z = 4 : 7

x = 3 x 4 = 12

y = 5 x 4 = 20

y = 4 x 5 = 20

z = 7 x 5 = 35

then x : y : z = 12 : 20 : 35

• what is isoelectronics series? Answer this

  2 Answers   ·   Chemistry   ·   1 day ago
• what is the cut off marks for lafia federal university? Answer this

  1 Answers   ·   1 day ago
• 49. Fill in the blank space with the correct word(s), from the options lettered A-D. In the sentence "The girl... Answer this

  4 Answers   ·   2 years ago