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Worksheets8 th class
Total questions: 13
Worksheet time: 7mins
A smooth shining surface, which rebounds the light back in same or in different direction, is called
Mirror
Incident ray
Lens
Idealisation
The value of (- 16/21 ÷ - 4/3) is _____
-3/10
-7/21
4/7
-7/6
The reciprocal of a negative rational number _____
is a positive rational number
is a negative rational number
can be either a positive or a negative rational number
does not exist
The value of {-8/13 × 26/-3} is _____
-8/13
-7/26
-4/13
16/3
Which of the following forms a pair of equivalent rational numbers?
24/40 and 35/50
-25/35 and 55/-77
-8/15 and -24/48
9/72 and -3/21
The sum of two rational numbers is -7. If one of the numbers is –15/19, the other number is ____
-21/10
-57/16
7/9
-118/19
Which of the following rational numbers is in the standard form?
-9/28
-26/78
–14/16
48/-96
What number should be subtracted from -3/4 so as to get 5/6?
-3/10
-5/24
-19/12
9/25
Simplify: 2/3 + -4/5 + 7/15 + -11/20
-1/5
-13/60
-4/15
– 7/30
Which of the rational numbers -4/9, 5/-12, 7/-18, 2/-3 is the greatest?
7/-18
-4/9
2/-3
5/-12
Which of the rational numbers 4/9, -5/6, -7/-12 and 11/-24 is the smallest?
4/9
-5/6
-7/-12
11/-24
What number should be added to 3/8 to get -1/24?
-5/12
-7/23
31/72
2/33
The sum of the rational numbers – 8/19 and -4/57 is _____
-5/57
7/22
-28/57
4/27
