A:B = 4:7,b:c=5:6, হলে a:b:c = কত হবে?<br>

Assistant Upazila/Thana Education Officer-2012

1. A:B = 4:7,b:c=5:6, হলে a:b:c = কত হবে?

[Assistant Thana Education Officer(ATEO)-2012 : 2012]

1. 4:7:5

2. 4:7:6

3. 20:35:42

4. 20:24:35

Answer

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