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Questions and Solutions for NCERT Class 6th Mathematics Chapter 4 – Basic Geometrical Ideas – Exercise 4.1

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Questions and Solutions for NCERT Class 6th Mathematics Chapter 4 – Basic Geometrical Ideas – Exercise 4.1

1. Use the figure to name :

(a) Five points

Ans: B, C, D, E, O

(b) A line

Ans: BD, OC, BE, OD

(c) Four rays

Ans: OE, OD, OC, OB

(d) Five line segments

Ans: BD, OC, BE, OD, OE

2. Name the line given in all possible (twelve) ways, choosing only two letters at a time from the four given.

Ans: AB, AC, AD, BC, BD, CD, BA, CA, DA, CB, DB, DC

3. Use the figure to name :

(a) Line containing point E.

Ans: BE, FE

(b) Line passing through A.

Ans: AE, AD, AB

(c) Line on which O lies

Ans: CO OR OC

(d) Two pairs of intersecting lines.

Ans: OC and AD, AE and FE

4. How many lines can pass through
(a) one given point?

Ans: Infinite Lines can pass through one given point.

(b) two given points?

Ans: Only one line can pass through two given points.

5. Draw a rough figure and label suitably in each of the following cases:

(a) Point P lies on AB.

(b) XY and PQ intersect at M.

(c) Line l contains E and F but not D.

(d) OP and OQ meet at O.

6. Consider the following figure of line MN. Say whether following statements are true or false in context of the given figure.

(a) Q, M, O, N, P are points on the line MN.

Ans: True

(b) M, O, N are points on a line segment MN .

Ans: True

(c) M and N are end points of line segment MN .

Ans: True

(d) O and N are end points of line segment OP .

Ans: False

(e) M is one of the end points of line segment QO .

Ans: False

(f) M is point on ray OP.

Ans: False

(g) Ray OP is different from ray QP.

Ans: True

(h) Ray OP is same as ray OM.

Ans: False

(i) Ray OM is not opposite to ray OP.

Ans: False

(j) O is not an initial point of OP.

Ans: False

(k) N is the initial point of NP and NM.

Ans: True

You can find the solutions for Class 6 Mathematics previous exercises from here

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