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Railways PYQCBT 1 2016

RRB NTPC · Question 88

The area of a trapezium is 18 sq.cm. Its height and base are 3 cm and 5 cm respectively. Find the length of the side parallel to the base.

  1. 4 cm
  2. 6 cm
  3. 8 cm
  4. 7 cm
Show answer & explanation

Answer: (D) 7 cm

Explanation

Area = ½ × (a + b) × h, so 18 = ½ × (5 + x) × 3. This gives 5 + x = 12, so x = 7 cm.