Chapter -1 Real Numbers
Introduction
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Click here to download the NCERT Solution for Class 10 Maths Chapter 1 Real Numbers
Important questions and answers
Exercise 1.1
1. Use the figure to name:
(a) Five points
In the given figure, five points are marked as O,B,C,D and E.
(b) A line
Answer: DE, DO, DB, EB, EO, OB
2. State whether the below statement is true or false.
(a) Zero is the smallest natural number.
A. False B.True
Answer: True
(b) The distance between Earth and Moon is 384,000,000 m.
This value can be expressed in standard form as
A.3.80 × 108 m B.380 × 108 m
C.3.84 × 107 m D.3.84 × 108 m
Answer: 3.84 × 108 m
Exercise 1.2
1. Answer the following
(a) Represent the following situation as integers with appropriate signs (+ OR −).
________(-2000/+2000)
(b) Draw rough diagrams of two angles such that they have one point in common.
Answer:
Exercise 1.3
Demo content
1. Answer the following
(a) Represent the following situation as integers with appropriate signs (+ OR −).
________(-2000/+2000)
(b) Draw rough diagrams of two angles such that they have one point in common.
Answer:
Exercise 1.4
Demo content
1. Answer the following
(a) Represent the following situation as integers with appropriate signs (+ OR −).
________(-2000/+2000)
(b) Draw rough diagrams of two angles such that they have one point in common.
Answer:
Exercise 1.5
Demo content
1. Answer the following
(a) Represent the following situation as integers with appropriate signs (+ OR −).
________(-2000/+2000)
(b) Draw rough diagrams of two angles such that they have one point in common.
Answer:
