Question

Help me..
Give answers for above underline questions. please give answers.

Note :
Spam and wrong answers will be reported.. ​

Answer 1

Step-by-step explanation:

see some questions are same so I am doing one part of each

2:5::10:25

5×10=25×2

50=50

yes

4:5::16:20

5×16=20×4

80=100

no

x/10=6/20

we do cross multiply

20x=6×10

x=6×10/20

x=3

now try to do yourself