Math Class 10 Chapter 5 MCQs Solution fbise
Math Class 10 Chapter 5 MCQs Solution
Tick the correct option.
(i)
An expression which is the ratio of two polynomial in denominator is non-zero is called:
(a) polynomial
(b) rational expression
(c) compound expression
(d) irrational expression
Correct option is (b)
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(ii)
The degree of
$$x^2y^3-\frac{xy^2z^3}y-\sqrt{25}z^2$$
is:
(a) 5
(b) 6
(c) 7
(d) none
Correct option is (a)
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(iii)
Constant polynomial is also called:
(a) linear polynomial
(b) no degree polynomial
(c) expression
(d) zero degree polynomial
Correct option is (d)
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(iv)
Ali is 2 years younger than his sister Ayesha. If Ayesha’s present is x years, then the age of Ali after 5 years will be:
(a) (x + 7) years
(b) (x – 2) years
(c) (x + 3) years
(d) (x – 7) years
Correct option is (c)
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(v)
The value of
$$2\left\{x^3-\left(x^{2\;}\overline{-3-2}x^2\;\right)\right\}$$
at x = 2 is:
(a) 2
(b) 14
(c) -2
(d) 6
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(vi)
Reduced form of the expression
$$\frac{x^2y^3-y^2x^3+x^2y^2z}{x\;-\;y-\;z}$$
is:
$$(a)\;x^2y^2\\(b)\;not\;possible\\(c)\;\frac{x^2y^2(x-y-z)}{y-x+z}\\(d)\;-x^2y^2$$
Correct option is (d)
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(vii)
If
$$y=2-\frac1y,$$
then the value o
$$y^2+\frac1{y^2}$$
is:
(a) 4
(b) zero
(c) not possible
(d) 2
Correct option is (d)
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(viii)
Simplified from of
$$\frac{{(a+b)}^2-{(a-b)}^2}{8ab}$$
is:
$$(a)\;\frac{2(a^2+b^2)}{8ab}\\(b)\;2\\(c)\;\frac{a^2+b^2}{+\;ab}\\(d)\;\frac12$$
Correct option is (d)
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(ix)
Difference of the sum of a and b from the product of a and b is:
(a) ab – a – b
(b) a + b – ab
(c) 2ab – b
(d) none
Correct option is (a)
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(x)
$$\frac{x^3y^3+y^3z^3+z^3x^3}{x^3y^3z^3}=$$
$$(a)\;x^3+y^3+z^3\\(b)\;x^6+y^6+z^6\\(c)\;\frac1{x^3}+\frac1{y^3}+\frac1{z^3}\\(d)\;\frac1{x^6}+\frac1{y^6}+\frac1{z^6}$$
Correct option is (c)
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(xi)
Leading coefficient in
$$\frac{x^2}2-\frac18-\frac{x^4}4+\frac{x^3}7$$
is:
$$(a)\;\frac12\\(b)\;\frac14\\(c)\;\frac17\\(d)\;-\frac14$$
Correct option is (d)
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(xii)
Coefficient in the polynomial
$$\sqrt{16}x^2y-\frac12y^3+\frac{22}7z$$
are the elements of the set of:
(a) Integers
(b) Irrational numbers
(c) Odd numbers
(d) Rational numbers
Correct option is (d)
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(xiii)
The degree of the quotient in (x – y)³ ÷ (x – y)² will be
(a) 3
(b) 2
(c) 1
(d) no
Correct option is (c)
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This is the end of Math Class 10 Chapter 5 MCQs Solution fbise
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