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Rational Numbers
The following figures GUNS and RUNS are parallelograms. Find x and y. (Lengths are in cm.)
(i) ∵ GUNS is a parallelogram
∴ Its opposite sides are equal
∴ GS = NU and SN = GU
or 3x = 18 and 26 = 3y-1
Now 3x = 18
Some More Questions From Rational Numbers Chapter
The reciprocal of –5 is ______.
The reciprocal of 1/x, where x # 0 is
The product of two rational numbers is always a ___________.
The reciprocal of a positive rational number is _________.
Complete the following table:
Numbers
Commutative for
Addition
Subtraction
Multiplication
Division
Rational numbers
Yes
...
Integers
No
Whole numbers
Yes
Natural numbers
No
Numbers
Commutative for
Addition
Subtraction
Multiplication
Division
Rational numbers
Yes
...
Integers
No
Whole numbers
Yes
Natural numbers
No
Complete the following table:
Numbers
Associative for
Addition
Subtraction
Multiplication
Division
Rational numbers
No
Integers
Yes
Whole numbers
Yes
Natural numbers
No
Numbers
Associative for
Addition
Subtraction
Multiplication
Division
Rational numbers
No
Integers
Yes
Whole numbers
Yes
Natural numbers
No
If a property holds for rational numbers, will it also hold for integers? For whole Numbers? Which will? Which will not?
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Mock Test Series
Mock Test Series