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Direction Sense · Question 50 of 67

Question 50

HardOriginal question

In the morning after sunrise, the shadow of lamp post P points straight at lamp post Q, which is 12 m away. Lamp post R stands 12 m north of Q. In which direction is R from P?

Options for question 50

Show the answer and explanation
CorrectNot quiteAnswer C

Correct answer: C

Explanation

  1. Morning shadows fall west, so Q is 12 m west of P.

  2. R is 12 m north of Q, so R is 12 m west and 12 m north of P.

  3. Equal west and north distances put R exactly north-west of P.

Worth noting

South-east is P as seen from R, the reverse. North-east comes from putting Q on the east of P, the evening rule.

Concept
Shadow fixes one position; coordinates do the rest
Typical time
120 s
Your time
—
The rule this testsShadows and the sun
Practise this chapter →

Ten questions from Direction Sense, at your own pace.

Practise this chapter →

Ten questions from Direction Sense, at your own pace.

Practise this chapterAll 67 questions in Direction SenseRevise the notes for Direction Sense