Arithmeticmedium · Past Paper
The ratio of the areas of two squares is 16:25. What is the ratio of their perimeters?
A16:25
B4:5
C256:625
D2:5
✓ Correct Answer: B — 4:5
Ratio of areas is ratio of squares of sides. Ratio of sides = sqrt(16):sqrt(25) = 4:5. Perimeter ratio is same as side ratio.
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