Question

Determine if the following are in proportion:
(1) 8,10,16, 20
(11) 3,4,6,7
(111) 18,36,72,1 44
(iv) 5,7,40,56​

Answer 1

Heya✌

1 ) 8/10, when cancelled = 4/5 = 4:5

516/20 when cancelled = 4/5 = 4:5

8 : 10 : : 16 : 20

2 ) 3/4 is already is reduced form

6/7 is also in reduced form.

So 3/4 and 6/7 r not equal

So 3:4 & 6:7 is not in proportion.

3 ) 18/36 when cancelled = 1/2 = 1:2

72/144 when cancelled = 1/2 = 1:2

18 : 36 : : 72 : 144

4 ) 5/7 is already reduced

40/56 when cancelled = 5/7 = 5:7

5 : 7 : : 40 : 56

Hope it helps u❤

Pls mark as brainliest :)