exam
Maths Puzzle
Numerical Ability
This question is not from a book
The perimeter of a rectangle is 28X + 10. If the width is 2X, what is the length
Read Solution (Total 2)
-
- 28X+10
perimeter=2(l+b)
=2(l+2X)
28x+10=2l+4x
2l=24x+10
l=12x+5
so length=12x+5 - 10 years agoHelpfull: Yes(0) No(0)
- Perimeter=2(length+breadth)=28x+10;
so; 2*length+4x=28x+10;
length=12x+5 - 10 years agoHelpfull: Yes(0) No(0)
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