State PCS PYQPrelims 2024

BPSC – Combined Competitive Examination · வினா 80

Gaurav walks 20 m North, turns left and walks 40 m, turns left again and walks 20 m, then turns right and walks 20 m. How far is he from his starting point?

  1. 40 m
  2. 20 m
  3. 60 m
  4. 30 m
விடையைக் காட்டு & விளக்கம்

விடை: (C) 60 m

விளக்கம்

North 20, West 40, South 20, West 20 → net 60 m West of the start.

  • (A) தவறு

    Wrong: the last 20 m West adds to the 40 m.

  • (B) தவறு

    Wrong: the westward total is 60 m.

  • (C) சரி

    Correct: N 20 and S 20 cancel; West 40 + 20 = 60 m.

  • (D) தவறு

    Wrong: does not match the moves.