Question

Pls answer these questions on ratio.there are 2 questions.
1. Determine if the following ratios are in proportion:
a. 20 cm : 1m and 25 L : 125 L
b. 4 kg : 40 kg and 11 gms : 110 gms
c. 12 cm : 6m and Rs 9 : Rs 540
d. 450 m: 3 km and 75 cm : 7m
e. 800 mL : 300 mL and 560 RS : 210 RS

2 Solve the following:
1) First, second and third terms of a proportion are 4, 6 and 12
respectively. Find the fourth term.
2) First, second and fourth terms of a proportion are 6, 8 and 16
respectively . Find the third term.
3) The second, third and fourth term of a proportion are 32, 33 and 24
respectively. Find the first term.
4) First, third and fourth term of a proportion are 28, 49, 28 respectively.
Find the second term.

Answer 1

the answer is in the attachment