Explore topic-wise MCQs in Mathematics.

This section includes 62 Mcqs, each offering curated multiple-choice questions to sharpen your Mathematics knowledge and support exam preparation. Choose a topic below to get started.

1.

The value of \[\frac{\mathbf{10}{{\mathbf{0}}^{\mathbf{98}}}\mathbf{+10}{{\mathbf{0}}^{\mathbf{100}}}}{\mathbf{10}{{\mathbf{0}}^{\mathbf{98}}}}\]+1 is equal to________.

A. 10001
B. 10002
C. 1001
D. 1002
E. None of these
Answer» C. 1001
2.

If \[\mathbf{m = }{{\mathbf{7}}^{\mathbf{-}}}^{\mathbf{7}}\mathbf{- }{{\mathbf{7}}^{\mathbf{7}}}\mathbf{and n = }{{\mathbf{7}}^{\mathbf{7}}}\mathbf{- }{{\mathbf{7}}^{\mathbf{-}}}^{\mathbf{7}}\], then find the value of \[\frac{\mathbf{m}}{\mathbf{n}}\mathbf{-}\frac{\mathbf{n}}{\mathbf{m}}\].

A. 1
B. 2
C. 0
D. -1
E. None of these
Answer» D. -1
3.

Find the unit's digit in the product of \[\frac{{{2}^{32}}\times {{3}^{42}}\times {{847}^{42}}}{{{9}^{14}}}\].

A. 9
B. 6
C. 3
D. 1
E. None of these
Answer» C. 3
4.

Simplify \[{{\left( \frac{{{a}^{-2}}}{{{b}^{-2}}} \right)}^{-3}}\left( \frac{{{a}^{-3}}}{{{b}^{-5}}} \right)\] 

A. \[\frac{1}{{{b}^{2}}}\]
B. \[\frac{{{a}^{3}}}{{{b}^{11}}}\]
C. \[\frac{a}{b}\]
D. \[\frac{{{a}^{2}}}{{{b}^{3}}}\]
Answer» C. \[\frac{a}{b}\]
5.

Evaluate \[{{\left[ {{\left( \sqrt{\frac{2}{3}} \right)}^{2}}-\sqrt[3]{\frac{8}{27}} \right]}^{1000}}\]

A. 0
B. 1
C. 2
D. -1
Answer» B. 1
6.

If \[x={{\left( \frac{3}{2} \right)}^{2}}\times {{\left( \frac{2}{3} \right)}^{-4}}\], find the value of \[{{x}^{2}}\].

A. \[{{\left( \frac{4}{3} \right)}^{12}}\]
B. \[{{\left( \frac{2}{3} \right)}^{12}}\]
C. \[{{\left( \frac{3}{2} \right)}^{12}}\]
D. \[{{\left( \frac{3}{4} \right)}^{12}}\]
Answer» C. \[{{\left( \frac{3}{2} \right)}^{12}}\]
7.

Evaluate \[{{\left\{ {{\left( \frac{3}{4} \right)}^{-1}}-{{\left( \frac{1}{4} \right)}^{-1}} \right\}}^{-1}}\].

A. \[\frac{3}{16}\]
B. \[\frac{-3}{8}\]
C. \[\frac{16}{3}\]
D. \[\frac{-8}{3}\]
Answer» C. \[\frac{16}{3}\]
8.

Simplify \[\frac{{{(16{{a}^{2}})}^{\frac{1}{2}}}\times {{(36\,{{a}^{4}})}^{\frac{-1}{2}}}}{2{{a}^{\frac{1}{2}}}\times 5{{a}^{\frac{3}{2}}}\times 8{{a}^{\frac{9}{4}}}}\].

A. \[120\,\,{{a}^{\frac{25}{4}}}\]
B. \[\frac{1}{120\,{{a}^{\frac{25}{4}}}}\]
C. \[24{{a}^{\frac{-25}{4}}}\]
D. \[24{{a}^{\frac{25}{4}}}\]
Answer» C. \[24{{a}^{\frac{-25}{4}}}\]
9.

Mr Gupta asked two of his students to solve the expression \[{{\left( \frac{9{{a}^{3}}{{b}^{-8}}}{81{{a}^{-5}}{{b}^{2}}} \right)}^{-\frac{1}{2}}}\]and write the answer on blackboard. Aryan wrote the answer as \[3{{a}^{-4}}{{b}^{5}}\] whereas Ayan wrote the answer as \[\frac{3{{b}^{5}}}{{{a}^{4}}}\].Who wrote the correct answer?

A. Aryan
B. Ayan
C. Both of them
D. None of these
Answer» D. None of these
10.

Find the value of \[{{16}^{\frac{3}{4}}}\times {{4}^{\frac{-1}{2}}}.\]

A. \[8\]
B. \[1\]
C. 4
D. \[0\]
Answer» D. \[0\]
11.

If \[x={{\left( \frac{3}{2} \right)}^{2}}\times {{\left( \frac{2}{3} \right)}^{-4}}\]then value of \[{{\mathbf{x}}^{\mathbf{2}}}\]is

A. \[{{\left( \frac{2}{3} \right)}^{11}}\]
B. \[{{\left( \frac{2}{3} \right)}^{12}}\]
C. \[{{\left( \frac{2}{3} \right)}^{7}}\]
D. \[{{\left( \frac{2}{3} \right)}^{3}}\]
Answer» C. \[{{\left( \frac{2}{3} \right)}^{7}}\]
12.

\[{{\left( \frac{5}{7} \right)}^{5}}\]can be written as

A. \[{{\left( \frac{7}{5} \right)}^{5}}\]
B. \[{{\left( 57 \right)}^{6}}\]
C. \[\frac{{{5}^{5}}}{{{7}^{5}}}\]
D. \[{{\left( {{5}^{5}} \right)}^{7}}\]
Answer» D. \[{{\left( {{5}^{5}} \right)}^{7}}\]
13.

\[{{\left\{ {{3}^{-2}}+{{\left( \frac{3}{2} \right)}^{-2}} \right\}}^{-1}}=?\]

A. \[{}^{81}/{}_{4}\]
B. \[{}^{5}/{}_{9}\]
C. \[\frac{9}{5}\]
D. \[\frac{4}{81}\]
Answer» D. \[\frac{4}{81}\]
14.

Simplify and leave the answer in exponent form\[{{\left( \frac{3}{5} \right)}^{-30}}\times {{\left( \frac{5}{3} \right)}^{-30}}\].

A. \[\frac{3}{5}\]
B. \[{{1}^{1}}\]
C. \[{{\left( \frac{3}{5} \right)}^{-60}}\]
D. \[{{\left( \frac{5}{3} \right)}^{-60}}\]
Answer» C. \[{{\left( \frac{3}{5} \right)}^{-60}}\]
15.

Simplify\[\frac{{{\left( 9{{m}^{2}} \right)}^{1/3}}}{{{6}^{4}}}\times \frac{{{\left( 4{{n}^{2}} \right)}^{1/3}}}{5m}\].

A. \[\frac{1}{5}{{\left[ \frac{{{n}^{2}}}{m{{6}^{10}}} \right]}^{1/3}}\]
B. \[\frac{1}{5}{{\left[ \frac{n}{{{m}^{2}}{{6}^{10}}} \right]}^{1/3}}\]
C. \[\frac{1}{5}{{\left[ \frac{{{n}^{2}}}{m{{6}^{-10}}} \right]}^{1/3}}\]
D. \[\frac{1}{5}{{\left[ \frac{{{n}^{2}}}{m{{6}^{10}}} \right]}^{2/3}}\]
Answer» B. \[\frac{1}{5}{{\left[ \frac{n}{{{m}^{2}}{{6}^{10}}} \right]}^{1/3}}\]
16.

If \[\frac{x}{y}={{\left( \frac{6}{7} \right)}^{3}}\div {{\left( \frac{7}{6} \right)}^{-3}},\] then the value of \[{{\left( \frac{x}{y} \right)}^{-10}}\] is

A. 1
B. 0
C. \[-1\]
D. Cannot be determined
Answer» B. 0
17.

The value \[\frac{{{\left( -\frac{1}{2} \right)}^{5}}}{{{\left( -\frac{1}{2} \right)}^{4}}}\div \frac{\left( -\frac{1}{8} \right)}{\left( -\frac{1}{4} \right)}\] is

A. 1
B. 2
C. 3
D. \[-1\]
Answer» E.
18.

Express \[\frac{729\times 64}{270}\] as a product of prime factors in exponential form.

A. \[\frac{{{2}^{6}}\times {{3}^{4}}}{27}\]
B. \[\frac{{{2}^{5}}\times {{3}^{3}}}{5}\]
C. \[\frac{{{2}^{5}}\times {{3}^{3}}}{{{5}^{3}}}\]
D. \[\frac{{{2}^{6}}\times {{3}^{2}}}{{{5}^{2}}}\]
Answer» C. \[\frac{{{2}^{5}}\times {{3}^{3}}}{{{5}^{3}}}\]
19.

The value \[\frac{{{\left( -\frac{1}{2} \right)}^{5}}}{\left( -\frac{1}{2} \right)}\div \frac{\left( -\frac{1}{8} \right)}{\left( -\frac{1}{4} \right)}\]is

A. 1
B. 2
C. 3
D. \[-1\]
Answer» E.
20.

Express \[\frac{729\times 64}{270}\] as a product of prime factors in a exponential form.

A. \[\frac{{{2}^{6}}\times {{3}^{4}}}{27}\]
B. \[\frac{{{2}^{5}}\times {{3}^{3}}}{5}\]
C. \[\frac{{{2}^{5}}\times {{3}^{3}}}{{{5}^{3}}}\]
D. \[\frac{{{2}^{6}}\times {{3}^{2}}}{{{5}^{2}}}\]
Answer» C. \[\frac{{{2}^{5}}\times {{3}^{3}}}{{{5}^{3}}}\]
21.

Simplify and leave the answer in the exponent form\[{{\left( \frac{3}{5} \right)}^{-30}}\times {{\left( \frac{5}{3} \right)}^{-30}}.\]

A. \[\frac{3}{5}\]
B. \[{{1}^{1}}\]
C. \[{{\left( \frac{3}{5} \right)}^{-60}}\]
D. \[{{\left( \frac{5}{3} \right)}^{-60}}\]
Answer» C. \[{{\left( \frac{3}{5} \right)}^{-60}}\]
22.

What is the result of\[\frac{{{2}^{1}}\times {{3}^{2}}\times {{3}^{3}}}{{{1}^{2}}\times {{4}^{2}}}?\]

A. \[\frac{243}{8}\]
B. \[42\]
C. \[\frac{46}{16}\]
D. \[48\]
Answer» B. \[42\]
23.

Find the numerical value of\[{{\left( 4096 \right)}^{\frac{-1}{4}}}.\]

A. 16
B. 8
C. 4
D. 1
Answer» E.
24.

Find the value of \[{{(16)}^{0.16}}\times {{(16)}^{0.09}}.\]

A.  1
B.  2
C.   
D.  3
Answer» C.   
25.

Find the value of \[{{(-1)}^{2013}}.\]

A.  0
B.  -1  
C.   
D.  2
Answer» C.   
26.

What is the value of \[{{20}^{-3}}\times {{25}^{2}}\times {{20}^{3}}\times {{25}^{-4}}?\]

A.  \[\frac{1}{625}\] 
B.  \[\frac{1}{400}\] 
C.
D.  625
Answer» B.  \[\frac{1}{400}\] 
27.

Solve for \[\mathbf{x},\text{ }{{\left( \mathbf{243} \right)}^{\mathbf{x+5}}}=\text{ }{{\left( \mathbf{2187} \right)}^{\mathbf{3x-1}}}\]

A. 0
B. 1
C. 2
D. 3
E. None of these
Answer» D. 3
28.

The least integer value of a which satisfies \[{{\mathbf{a}}^{\mathbf{4}}}>\text{ }\mathbf{2400}\] is _________.

A. 7
B. 6
C. 5
D. 8
E. None of these
Answer» B. 6
29.

If\[{{\mathbf{x}}^{{{\mathbf{(3+m)}}^{\mathbf{2}}}}}\mathbf{\times }\,\,{{\mathbf{x}}^{\mathbf{3-m}}}^{^{\mathbf{2}}}\mathbf{ }{{\mathbf{x}}^{\mathbf{24}}}\], then value of m is ___________.

A. 0
B. 1
C. 2
D. 3
E. None of these
Answer» D. 3
30.

Which among the following is the ascending order of\[{{2}^{1024}},\text{ }{{5}^{512}},\text{ }{{7}^{256}}\text{ }and\text{ }{{81}^{128}}.~~~\] 

A. \[{{5}^{512}}>\text{ }{{2}^{1024}}>\text{ }{{7}^{256}}>\text{ }{{81}^{128}}\]
B. \[{{7}^{256}}<\text{ }{{81}^{128}}<\text{ }{{2}^{1024}}<\text{ }{{5}^{512}}\]
C. \[{{7}^{256}}<\text{ }{{81}^{128}}<\text{ }{{5}^{512}}<\text{ }{{2}^{1024}}\]
D. \[{{2}^{1024}}>\text{ }{{5}^{512}}>\text{ }{{81}^{128}}>\text{ }{{7}^{256}}\]
E. None of these
Answer» C. \[{{7}^{256}}<\text{ }{{81}^{128}}<\text{ }{{5}^{512}}<\text{ }{{2}^{1024}}\]
31.

If \[{{8}^{m}}\] = 262144, then find the value of\[{{8}^{m-4}}\].

A. 32
B. 96
C. 512
D. 64
E. None of these
Answer» E. None of these
32.

If \[{{\mathbf{p}}^{\mathbf{q}}}=\text{ }{{\mathbf{q}}^{\mathbf{p}}}\] then find\[{{\mathbf{p}}^{\mathbf{3}}}+\text{ }{{\mathbf{q}}^{\mathbf{3}}}\], where p and q are distinct natural numbers.

A. 72
B. 152
C. 208
D. 728
E. None of these
Answer» B. 152
33.

Write \[a\times a\times a\times c\times c\times c\times c\times d\times d\] in exponential form.

A. \[{{a}^{3}}{{c}^{3}}{{d}^{3}}\]
B. \[{{a}^{3}}{{c}^{3}}d\]
C. \[{{a}^{3}}{{c}^{3}}{{d}^{2}}\]
D. \[{{a}^{3}}{{c}^{4}}{{d}^{2}}\]
Answer» E.
34.

Simplify \[{{\left( 5a{{n}^{-2}} \right)}^{-1}}\]

A. \[\frac{{{n}^{2}}}{5a}\]
B. \[\frac{n}{5a}\]
C. \[\frac{{{n}^{3}}}{5a}\]
D. \[\frac{{{n}^{4}}}{5a}\]
Answer» B. \[\frac{n}{5a}\]
35.

How much is \[{{(0.04)}^{-1.5}}\]?

A. \[25\]
B. \[125\]
C. \[250\]
D. \[625\]
Answer» C. \[250\]
36.

Solve \[{{\left( {{4}^{5}} \right)}^{x}}={{\left( {{4}^{4}} \right)}^{x}}\div {{4}^{2}}\]

A. \[x=4\]
B. \[x=-2\]
C. \[x=-3\]
D. \[x=2\]
Answer» C. \[x=-3\]
37.

Which is greater \[{{4}^{3}}\] or \[{{3}^{4}}\]?

A. Both are equal
B. \[{{4}^{3}}\]
C. \[{{3}^{4}}\]
D. cannot be determined
Answer» D. cannot be determined
38.

The speed of light is 300,000,000 \[\mathbf{m}{{\mathbf{s}}^{-1}}\] Express it in standard form.

A. \[3.0\times {{10}^{8}}m{{s}^{-1}}\]
B. \[3.0\times {{10}^{10}}m{{s}^{-1}}\]
C. \[3.0\times {{10}^{6}}m{{s}^{-1}}\]
D. \[3.0\times {{10}^{12}}m{{s}^{-1}}\]
Answer» B. \[3.0\times {{10}^{10}}m{{s}^{-1}}\]
39.

What is the simplified form of the product given? \[{{(-3p)}^{4}}{{(6q)}^{5}}{{(3r)}^{6}}\]

A. \[{{(-3)}^{15}}{{2}^{5}}{{p}^{4}}{{q}^{5}}{{r}^{6}}\]
B. \[{{p}^{4}}\,{{q}^{5}}\,{{r}^{6}}\]
C. \[{{3}^{15}}\,{{2}^{5}}\,{{p}^{4}}\,{{q}^{5}}\,{{r}^{6}}\]
D. \[{{(-3)}^{15}}\,{{2}^{5}}\,{{p}^{4}}\,{{q}^{4}}\,{{r}^{4}}\]
Answer» D. \[{{(-3)}^{15}}\,{{2}^{5}}\,{{p}^{4}}\,{{q}^{4}}\,{{r}^{4}}\]
40.

A number in standard form in written as \[\mathbf{6}.\mathbf{6}\times \mathbf{1}{{\mathbf{0}}^{\mathbf{6}}}.\] It can also be written as:

A. 6666666
B. 66000
C. 6600000000
D. 6600000
Answer» E.
41.

What is the simplified form of \[{{\left( -6xy \right)}^{6}}\div {{\left( -6xy \right)}^{2}}?\]

A. \[{{\left( -6xy \right)}^{6}}\]
B. \[{{\left( -6xy \right)}^{8}}\]
C. \[\left( -\,6xy \right)\]
D. \[{{\left( -6xy \right)}^{4}}\]
Answer» E.
42.

Avogadro number is written as 602,000,000,000,000,000,000,000,  Express this number in standard form.

A. \[6.02\times {{10}^{23}}\]
B. \[6.02\times {{10}^{21}}\]
C. \[602.0\times {{10}^{21}}\]
D. \[0.602\times {{10}^{23}}\]
Answer» B. \[6.02\times {{10}^{21}}\]
43.

By what number should \[{{(-8)}^{-1}}\] be divided to get \[{{10}^{-1}}\]?

A. \[\frac{4}{5}\]
B. \[\frac{-5}{4}\]
C. \[\frac{-4}{5}\]
D. \[\frac{5}{4}\]
Answer» C. \[\frac{-4}{5}\]
44.

Find the value of \[{{\left[ {{(-3)}^{(-2)}} \right]}^{(-3)}}\].

A. \[729\]
B. \[32\]
C. \[64\]
D. \[-729\]
Answer» B. \[32\]
45.

What is the standard form of\[6020000000000000\]?

A. \[6.02\times {{10}^{15}}\]
B. \[6.02\times {{10}^{13}}\]
C. \[602\times {{10}^{13}}\]
D. \[602\times {{10}^{-15}}\]
Answer» B. \[6.02\times {{10}^{13}}\]
46.

If \[{{27}^{x+1}}={{9}^{x+3}}={{3}^{y}},\] find the respective values of ?x' and 'y'.

A. 3 and 12
B. 12 and 3
C. 6 and 6
D. 4 and 9
Answer» B. 12 and 3
47.

When simplified, \[{{\text{(}{{\text{x}}^{-1}}+{{y}^{-1}})}^{-1}}\] is equal to_____.

A. \[x+y\]
B. \[\frac{xy}{x+y}\]
C. \[xy\]
D. \[\frac{1}{xy}\]
Answer» C. \[xy\]
48.

The size of a red blood cell is 0.000007 m and the size of a plant cell is 0.00001275 m. Find the ratio of the size of red blood cell to that of plant cell.

A. 0.58055555555556
B. 1.2020833333333
C. 31 : 39
D. 22 : 31
Answer» C. 31 : 39
49.

The exponential form of \[\sqrt{\sqrt{2}\times \sqrt{5}}\] is

A. \[{{\left( 10 \right)}^{1/2}}\]
B. \[{{10}^{1/4}}\]
C. 10
D. \[{{10}^{1/6}}\]
Answer» C. 10
50.

The value of \[{{\left[ {{\left( \sqrt[n]{{{x}^{2}}} \right)}^{n/2}} \right]}^{2}}\]

A. 0
B. \[{{x}^{2}}\]
C. \[x\]
D. \[1/x\]
Answer» C. \[x\]