Question

Find the HCF of the numbers in each of the following, using the division methods
10. 58, 70
11. 399, 437
19. 1045, 1520
13. 1965. 2096
14. 2241. 2324
15. 658.940. 1128
16. 754. 1508. 1972
17. 391. 425, 527
18. 1794. 2346, 4761

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Answer 1

Answer:

Following are the useful ways of utilising wastewater:-

(a) Wastewater can be used to recharge the groundwater

(b)Wastewater can be used for irrigation

(c) treated municipal water can be used for washing cars, watering the gardens

(c) certain pollutants in sewage water can become fertiliser for various crops.

Answer 2

Answer:

10. HCF is 2

11. HCF is 19

19. HCF is 95

13. HCF is 131

14. HCF is 83

15. HCF is 94

16. HCF is 58

17. HCF is 17

18. HCF is 69

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