Question 61
If $$V1 : V2 = 1 : 2$$ and $$V1 + V2 = 147$$, then what is the value of $$V2 - V1$$?
Solution
let $$v1:v2= 1x :2x$$
Given ,
$$v1+v2=147$$
3x=147
x=49
v1=49,v2=98
So,
$$v1-v2=49$$
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