X:y=3:4 , y:z= 5:8 then find 2y/ 3x-y+2z?
- 45/49
- 40/89
- 50/89
- 36/89
Explanation
Given:
Step 1: Make Y common
-
From , let,
-
From , let ,
Step 2: Equate Y
Then:
Step 3: Compute the expression
3X−Y+2Z=2⋅5m/ 3⋅15/4m−5m+2⋅8m
Numerator:
Denominator:
3X−Y+2Z=10m/89/4=10⋅4/89=40/89
Related MCQs
- 2.5
- 3.5
- 4.5
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
- 2x + 2
- 2x - 8
- 2x - 5
- None of these