Bihar Board Class 9 Mathematics · Ch 1: Orienting Yourself: The Use of Coordinates
Bihar Board Class 9 Mathematics · Ch 1: Orienting Yourself: The Use of Coordinates is an online chapter test in the Bihar Board Class 9 pattern, covering Orienting Yourself: The Use of Coordinates. Attempt it on SeatBeat with a timer like the real exam, then see a detailed solution for every question and your score and weak-topic analysis.
Topics in this test
| Topic | Questions |
|---|---|
| Orienting Yourself: The Use of Coordinates | 30 |
Difficulty: 3 easy · 9 medium · 18 hard
Sample questions with answers
The first 5 questions of this free test.
Q1. Point $A$ is $(0, 6)$ and point $B$ is $(0, -2)$, both lying on the $y$-axis. How many units apart are $A$ and $B$?
- A. $4$ units
- B. $2$ units
- C. $8$ units
- D. $6$ units
Solution
Both points are on the $y$-axis, so the gap is $|6 - (-2)| = 8$ units.
Q2. To locate a place on the Earth, the reference line of $0^\circ$ latitude is known as the:
- A. Prime Meridian
- B. Equator
- C. Origin
- D. Vertical axis
Solution
The $0^\circ$ latitude line that circles the Earth and acts as the reference for north and south positions is the Equator.
Q3. A student marks point $P$ as $(4, 1)$ and point $Q$ as $(1, 4)$. Which statement about these points is correct?
- A. Both $P$ and $Q$ lie at the origin
- B. Both $P$ and $Q$ lie on the $x$-axis
- C. $P$ and $Q$ are the same point
- D. $P$ and $Q$ are two different points
Solution
Coordinates are an ordered pair, so changing the order changes the location; $P$ and $Q$ are two different points.
Q4. Three of the following points lie on the $x$-axis. Which one is the odd point out?
- A. $(-2, 0)$
- B. $(4, 0)$
- C. $(9, 0)$
- D. $(0, 4)$
Solution
A point is on the $x$-axis only when its $y$-coordinate is $0$; $(0, 4)$ has $y=4$, so it lies on the $y$-axis instead.
Q5. Consider the two statements: I. The ordinate of every point lying on the $x$-axis is $0$. II. The abscissa of every point lying on the $y$-axis is $0$. Which of these statements is/are correct?
- A. Only I
- B. Neither I nor II
- C. Only II
- D. Both I and II
Solution
On the $x$-axis the $y$-coordinate (ordinate) is always $0$, and on the $y$-axis the $x$-coordinate (abscissa) is always $0$, so both are correct.
Frequently asked questions
How many questions are in the Bihar Board Class 9 Mathematics · Ch 1: Orienting Yourself: The Use of Coordinates?
30 questions for 30 marks, to be answered in 20 minutes.
Is there negative marking in the Bihar Board Class 9 Mathematics · Ch 1: Orienting Yourself: The Use of Coordinates?
No — wrong answers are not penalised in this test.
Which topics does the Bihar Board Class 9 Mathematics · Ch 1: Orienting Yourself: The Use of Coordinates cover?
Orienting Yourself: The Use of Coordinates (30 questions).
Is the Bihar Board Class 9 Mathematics · Ch 1: Orienting Yourself: The Use of Coordinates free?
Yes — this test is free. Create a free SeatBeat account and attempt it online; you get the solutions and your score analysis after submitting.
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