Question

Exercise 6.2
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11
1. Which of the following statements are true?
1
(1) 2.5 : 1.5 :: 7.0 : 4.2
2)1by2:1by3=1by3:1by4
3)24 men : 16 men = 33 horses : 22 horses.
2. Check whether the following numbers are in proportion or not:
(1) 18, 10, 9,5
(iii) 0.1, 02, 0.3, 0.6.
3. Find x in the following proportions:
(i) x : 4= 9 : 12
(iii) 3.6:0.4 = x :0.5.
4. Find the fourth proportional to.
(1) 42, 12,7
ii) 1 by 3,1 by 4, 1 by 5
iii) 3 kg, 12 kg 15 kg.
5. Check whether 749.343 are in continued proportion or not​

Answer 1

Answer:

please write the question one by one...