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Test Paper Of Class 8 Maths Chapter 1 Rational Number
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CLASS: 8 MAX. MARKS :30
SUBJECT: MATHEMATICS TIME: 1:30 HOUR
CH: 1 (Rational Numbers)
I. All questions are compulsory.
II. This question paper contains 14 questions divided into four Sections A, B, C and D.
III. Section A has 5 questions of 1 mark each. Section B has 4 questions 2 marks each. Section C has 3 questions of 3 marks each. and Section D has 2 questions of 4 marks each.
IV. Use of Calculators is not permitted.
Section – A
In Questions 1 to 10, there are four options, out of which one is correct. Write the correct answer.
1. A number of the form p/q is said to be a rational number if
(a) p and q are integers.
(b) p and q are integers and q ≠ 0
(c) p and q are integers and p ≠ 0
(d) p and q are integers and p ≠ 0 also q ≠ 0
2. Zero (0) is
(a) the identity for addition of rational numbers.
(b) the identity for subtraction of rational numbers.
(c) the identity for multiplication of rational numbers.
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(d) the identity for division of rational numbers
3. To get the product 1, we should multiply 8/21 by
4. The reciprocal of 1 is
(d) Not defined
5. Between two given rational numbers, we can find
(a) one and only one rational number.
(b) only two rational numbers.
(c) only ten rational numbers.
(d) infinitely many rational numbers
Section – B
6. lies two numbers between -2 and -1.
7. A 117 m long rope is cut into equal pieces measuring 7 m each. How many such small pieces are these?
8. One fruit salad recipe requires 1/2 cup of sugar. Another recipe for the same fruit salad requires 2 tablespoons of sugar. If 1 tablespoon is equivalent to 1/16 cup, how much more sugar does the first recipe require?
Section – C
10. Represent these numbers on the number line.
(i) -5/4 (ii) 5/7 (iii) -7/8
11. Fill in the blanks.
(i) Reciprocal of 1/x , where x ≠ 0 is ________.
(ii) The product of two rational numbers is always a _______.
(iii) The reciprocal of a positive rational number is ________.
12. Using suitable rearrangement and find the sum:
Section – D
13. Verify the property x × y = y × z of rational numbers by using
(a) x = 7 and Y =1/2 y
(b) x = 2/3 and Y = 9/4
(c) x = –5/7 and y = 14/15
(d) x – 8/3 and Y = 4/9