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RBSE Class 7 Maths Important Questions Chapter 9 Rational Numbers

Rajasthan Board RBSE Class 7 Maths Important Questions Chapter 9 Rational Numbers Important Questions and Answers.

Rajasthan Board RBSE Solutions for Class 7 Maths in Hindi Medium & English Medium are part of RBSE Solutions for Class 7. Students can also read RBSE Class 7 Maths Important Questions for exam preparation. Students can also go through RBSE Class 7 Maths Notes to understand and remember the concepts easily. Students can access the data handling class 7 extra questions with answers and get deep explanations provided by our experts.

RBSE Class 7 Maths Chapter 9 Important Questions Rational Numbers

Multiple Choice Questions

Question 1.
1122 is a standard form of:
(a) 1122
(b) 1122
(c) 1122
(d) 12
Answer:
(d) 12

Question 2.
Reciprocal of - 7 is:
(a) 7
(b) 17
(c) 17
(d) None of these
Answer:
(c) 17

RBSE Class 7 Maths Important Questions Chapter 9 Rational Numbers

Question 3.
-319 - 6 = ?
(a) 829
(b) 829
(c) 982
(d) 982
Answer:
(b) 829

Question 4.
Additive inverse of - 5 is:
(a) 15
(b) 15
(c) 5
(d) -5
Answer:
(c) 5

Question 5.
Multiplicative iñrerse of 32 is:
(a) 32
(b) 23
(c) 23
(d) 3
Answer:
(c) 23

Question 6.
2 ÷ 12 = ?
(a) 1
(b) -4
(c) 4
(d) None of these
Answer:
(c) 4

Fill in the Blanks:

Question 1.
0 is ________ than all negative rational numbers.
Answer:
Greater

RBSE Class 7 Maths Important Questions Chapter 9 Rational Numbers

Question 2.
On number line can be located towards the ________ side of zero.
Answer:
Left

Question 3.
Product of a number and in reciprocal is ________
Answer:
1

Question 4.
Sum of a number and its additive inverse is ________
Answer:
0

State whether True or False

Question 1.
0 is the smallest rational number.
Answer:
False

Question 2.
12 is greater than 12.
Answer:
True

Question 3.
If p and q are both negative then is a positive rational number.
Answer:
True

Question 4.
Product of two rational numbers is always a rational number.
Answer:
True

Very Short Answer Type Questions

Question 1.
Find standard form of 3690.
Answer:
HCF of 36 and 90 = 18
3690 = (36)÷1890÷18=25
Thus, standard form of 3690 is 25

RBSE Class 7 Maths Important Questions Chapter 9 Rational Numbers

Question 2.
Draw the number line and represent  and on it (on same number line).
Answer:
RBSE Class 7 Maths Important Questions Chapter 9 Rational Numbers 1

Question 3.
Simplify : 813×394
Answer:
RBSE Class 7 Maths Important Questions Chapter 9 Rational Numbers 2

Short Answer Type Questions

Question 1.
Find four rational numbers between 37 and 59.
Answer:
L.C.M of 7 and 9 = 63
37=3×97×9=2763 and 59=5×79×7=3563
∴ Rational no. between 2763 and 3563 are 2863,2963,3063,3163
Thus, four rational numbers between 37 and 59 are 2863,2963,3063,3163

Question 2.
Find greater rational number out of 34 and 73
Answer:
LCM of 4 and 3 = 12
RBSE Class 7 Maths Important Questions Chapter 9 Rational Numbers 3

Question 3.
Add 38 and 512
Answer:
(3)8+(5)12
LCM of 8 and 12 = 24
RBSE Class 7 Maths Important Questions Chapter 9 Rational Numbers 4

RBSE Class 7 Maths Important Questions Chapter 9 Rational Numbers

Question 4.
Subtarct 57 from 25
Answer:
25(57)
LCM of 5 and 7 = 35
RBSE Class 7 Maths Important Questions Chapter 9 Rational Numbers 6

Prasanna
Last Updated on June 20, 2022, 3:05 p.m.
Published June 10, 2022