1. Which of the following are in proportion?
a) 21, 35, 24, 40 b) 5, 7, 40, 64
c) 90, 270, 17, 51 d) 75, 21, 18, 6
Answers
Answered by
3
B
hope it's help you....
Answered by
6
Answer:
Product of Means=Product of Extremes
a) 21 x 40 = 840
35 x 24 = 840
Therefore they are in proportion
b) 5 x 64 = 320
7 x 40 = 280
Therefore they are not in proportion
c) 90 x 51 = 4,590
270 x 17 = 18,900
Therefore they are not in proportion
d) 75 x 6 = 450
21 x 18 = 378
Therefore they are not in proportion
Similar questions