UP Police Constable Exam Model Paper 3

Tips & Tricks
Given:
Ratio of sides = 3 ∶ 4 ∶ 6 ∶ 8
Perimeter of quadrilateral = 84 cm.
Concept:
Replace the ratio with a variable and add the sides and equate it with the value of perimeter to get the value of variable. Finally calculate the value of the largest side.
Calculation:
Let the sides of the quadrilateral be 3x, 4x, 6x and 8x.
Perimeter of quadrilateral = sum of sides
⇒ 84 cm = 3x + 4x + 6x + 8x
⇒ 84 cm = 21x
⇒ x = 84/21 = 4 cm
Length of largest side = 8x = 8 × 4 = 32 cm.
∴Length of largest side is 32 cm