Explore topic-wise MCQs in General Aptitude.

This section includes 1894 Mcqs, each offering curated multiple-choice questions to sharpen your General Aptitude knowledge and support exam preparation. Choose a topic below to get started.

1251.

If $$x \ne 0,$$$$y \ne 0$$and $$z \ne 0$$and $$\frac{1}{{{x^2}}}$$+ $$\frac{1}{{{y^2}}}$$+ $$\frac{1}{{{z^2}}}$$= $$\frac{1}{{xy}}$$+ $$\frac{1}{{yz}}$$+ $$\frac{1}{{zx}}$$then the relation among x, y, z is?

A. + y + y = 0
B. + y = z
C. $\frac{1}{x} + \frac{1}{y} + \frac{1}{z} = 0$$
D. = y = z
Answer» E.
1252.

If $$\frac{a}{b} = \frac{4}{5}$$and $$\frac{b}{c} = \frac{{15}}{{16}}{\text{,}}$$then $$\frac{{18{c^2} - 7{a^2}}}{{45{c^2} + 20{a^2}}}$$is equal to?

A. $\frac{1}{3}$$
B. $\frac{2}{5}$$
C. $\frac{3}{4}$$
D. $\frac{1}{4}$$
Answer» E.
1253.

If $$\frac{{x - {a^2}}}{{b + c}}$$+ $$\frac{{x - {b^2}}}{{c + a}}$$+ $$\frac{{x - {c^2}}}{{a + b}}$$= 4(a + b + c), then x = ?

A. a + b + c)2
B. 2 + b2 + c2
C. b + bc + ca
D. 2 + b2 + c2 - ab - bc - ca
Answer» B. 2 + b2 + c2
1254.

If x + y + z = 6 and x2 + y2 + z2 = 20, then the value of x3 + y3 + z3 - 3xyz is?

A. 4
B. 0
C. 2
D. 6
Answer» D. 6
1255.

If $$x > 1$$and $${x^2} + \frac{1}{{{x^2}}} = 83,$$then the $${x^3} - \frac{1}{{{x^3}}}\,{\text{is?}}$$

A. 64
B. 50
C. 56
D. 60
Answer» D. 60
1256.

The value of $$\frac{{4{x^3} - x}}{{\left( {2x + 1} \right)\left( {6x - 3} \right)}}$$when x = 9999 is?

A. 111
B. 222
C. 333
D. 666
Answer» D. 666
1257.

If $$x + \frac{1}{x} = 3{\text{,}}$$then the value of $$\frac{{3{x^2} - 4x + 3}}{{{x^2} - x + 1}}$$is?

A. $\frac{4}{3}$$
B. $\frac{3}{2}$$
C. $\frac{5}{2}$$
D. $\frac{5}{3}$$
Answer» D. $\frac{5}{3}$$
1258.

The factors of (a2 + 4b2 + 4b - 4ab - 2a - 8) are?

A. a - 2b - 4)(a - 2b + 2)
B. a - b - 2)(a + 2b + 2)
C. a + 2b - 4)(a + 2b + 2)
D. a + 2b - 4)(a - 2b + 2)
Answer» B. a - b - 2)(a + 2b + 2)
1259.

If $$x = \sqrt 5+ 2{\text{,}}$$then the value of $$\frac{{2{x^2} - 3x - 2}}{{3{x^2} - 4x - 3}}$$is equal to?

A. 0.1785
B. 0.525
C. 0.625
D. 0.785
Answer» D. 0.785
1260.

If x2 - 3x + 1 = 0, then the value of $$\frac{{{x^6} + {x^4} + {x^2} + 1}}{{{x^3}}}$$will be?

A. 8
B. 5
C. 1
D. 0
Answer» D. 0
1261.

If $$x + \frac{1}{x} = 5{\text{,}}$$then $${x^6}{\text{ + }}\frac{1}{{{x^6}}}$$is?

A. 2098
B. 2048
C. 4062
D. 2092
Answer» B. 2048
1262.

If $${x^2} + \frac{1}{{{x^2}}} = 66{\text{,}}$$then the value of $$\frac{{{x^2} - 1 + 2x}}{x}$$= ?

A. 8
B. 0, -6
C. , -10
D. 4
Answer» C. , -10
1263.

If $$x - \frac{1}{x} = 1{\text{,}}$$then the value of $$\frac{{{x^4} - \frac{1}{{{x^2}}}}}{{3{x^2} + 5x - 3}}$$= ?

A. $\frac{1}{4}$$
B. $\frac{1}{2}$$
C. $\frac{3}{4}$$
Answer» C. $\frac{3}{4}$$
1264.

If $${a^{\frac{1}{3}}} + {b^{\frac{1}{3}}} + {c^{\frac{1}{3}}} = 0,$$then a relation among a, b, c is?

A. + b + c = 0
B. a + b + c)3 = 27abc
C. + b + c = 3abc
D. 3 + b3 + c3 = 0
Answer» C. + b + c = 3abc
1265.

If $$x$$ = $$\sqrt 3- \frac{1}{{\sqrt 3 }}$$and $$y$$ = $$\sqrt 3+ \frac{1}{{\sqrt 3 }}$$then the value of $$\frac{{{x^2}}}{y} + \frac{{{y^2}}}{x}$$is?

A. $\sqrt 3 $$
B. ${\text{3}}\sqrt 3 $$
C. ${\text{16}}\sqrt 3 $$
D. ${\text{2}}\sqrt 3 $$
Answer» C. ${\text{16}}\sqrt 3 $$
1266.

If a2 + b2 = 5ab, then the value of $$\left( {\frac{{{a^2}}}{{{b^2}}}{\text{ + }}\frac{{{b^2}}}{{{a^2}}}} \right)$$is?

A. 2
B. 6
C. 3
D. 23
Answer» D. 23
1267.

If $$x\left( {3 - \frac{2}{x}} \right) = \frac{3}{x}{\text{,}}$$then the value of $${x^2}{\text{ + }}\frac{1}{{{x^2}}}$$is?

A. ${\text{2}}\frac{1}{9}$$
B. ${\text{2}}\frac{4}{9}$$
C. ${\text{3}}\frac{1}{9}$$
D. ${\text{3}}\frac{4}{9}$$
Answer» C. ${\text{3}}\frac{1}{9}$$
1268.

If $$x = 3 + 2\sqrt 2 {\text{,}}$$then the value of $${x^2}{\text{ + }}\frac{1}{{{x^2}}}{\text{ is?}}$$

A. 6
B. 0
C. 2
D. 4
Answer» E.
1269.

If $$x + \frac{1}{x} = 5{\text{,}}$$then the value of $$\frac{{{x^4} + 3{x^3} + 5{x^2} + 3x + 1}}{{{x^4} + 1}} = ?$$

A. $\frac{{43}}{{23}}$$
B. $\frac{{47}}{{21}}$$
C. $\frac{{41}}{{23}}$$
D. $\frac{{45}}{{21}}$$
Answer» B. $\frac{{47}}{{21}}$$
1270.

If a3 - b3 = 56 and a - b = 2, then the value of a2 + b2 will be?

A. 8
B. 0
C. 2
Answer» C. 2
1271.

If the expression $$\frac{{{x^2}}}{{{y^2}}} + tx + \frac{{{y^2}}}{4}$$ &nbsp is a perfect square, then the value of t is?

A. 1
B. 2
C.
Answer» B. 2
1272.

If x - y = 2, xy = 24, then the value of (x2 + y2) is?

A. 5
B. 6
C. 3
D. 2
Answer» E.
1273.

If x = 3 + 2$$\sqrt 2 $$ and xy = 1, then the value of $$\frac{{{x^2} + 3xy + {y^2}}}{{{x^2} - 3xy + {y^2}}}$$is?

A. $\frac{{30}}{{31}}$$
B. $\frac{{70}}{{31}}$$
C. $\frac{{35}}{{31}}$$
D. $\frac{{37}}{{31}}$$
Answer» E.
1274.

If p + q = 10 and pq = 5, then the numerical value of $$\frac{p}{q}{\text{ + }}\frac{q}{p}$$will be?

A. 6
B. 0
C. 2
D. 8
Answer» E.
1275.

If $$x = \sqrt 3+ \sqrt 2 {\text{,}}$$then the value of $$\left( {x + \frac{1}{x}} \right)\,{\text{is?}}$$

A. ${\text{2}}\sqrt 2 $$
B. ${\text{2}}\sqrt 3 $$
Answer» C.
1276.

If a3 - b3 - c3 - 3abc = 0, then -

A. = b = c
B. + b + c = 0
C. + c = b
D. = b + c
Answer» E.
1277.

If $$3x + \frac{1}{{2x}} = 5{\text{,}}$$then the value of$${\text{8}}{x^3}{\text{ + }}\frac{1}{{27{x^3}}}\,{\text{is?}}$$

A. ${\text{118}}\frac{1}{2}$$
B. ${\text{30}}\frac{{10}}{{27}}$$
Answer» C.
1278.

If $$x + \frac{1}{{4x}} = \frac{3}{2}{\text{,}}$$find the value of$${\text{8}}{x^3}{\text{ + }}\frac{1}{{8{x^3}}} = ?$$

A. 8
B. 6
C. 4
D. 6
Answer» B. 6
1279.

If ax2 + bx + c = a(x - p)2, then the relation among a, b, c would be?

A. bc = 1
B. 2 = ac
C. 2 = 4ac
D. b = a + c
Answer» D. b = a + c
1280.

If x : y = 3 : 4, then the value of $$\frac{{5x - 2y}}{{7x + 2y}} = ?$$

A. $\frac{7}{{25}}$$
B. $\frac{7}{{23}}$$
C. $\frac{7}{{29}}$$
D. $\frac{7}{{17}}$$
Answer» D. $\frac{7}{{17}}$$
1281.

If $${a^{\frac{1}{3}}} = 11,$$then the value of a2 - 331a is?

A. 331331
B. 331000
C. 334331
D. 330030
Answer» C. 334331
1282.

If x varies inversely as (y2 - 1) and x is equal to 24 when y = 10, then the value of x when y = 5 is?

A. 9
B. 2
C. 4
D. 00
Answer» B. 2
1283.

If $$\frac{x}{a} = \frac{1}{a} - \frac{1}{x}{\text{,}}$$then the value of x - x2 is?

A. a
B. $\frac{1}{a}$$
C.
Answer» D.
1284.

If $$x = 5 - \sqrt {21} {\text{,}}$$then the value of $$\frac{{\sqrt x }}{{\sqrt {32 - 2x}- \sqrt {21} }}$$is?

A. $\frac{1}{{\sqrt 2 }}\left( {\sqrt 3- \sqrt 7 } \right)$$
B. $\frac{1}{{\sqrt 2 }}\left( {\sqrt 7- \sqrt 3 } \right)$$
C. $\frac{1}{{\sqrt 2 }}\left( {\sqrt 7+ \sqrt 3 } \right)$$
D. $\frac{1}{{\sqrt 2 }}\left( {7 + \sqrt 3 } \right)$$
Answer» C. $\frac{1}{{\sqrt 2 }}\left( {\sqrt 7+ \sqrt 3 } \right)$$
1285.

a = $$\sqrt 6 \,$$ - $$\sqrt 5 $$ , b = $$\sqrt 5 \,$$ - 2, c = 2 - $$\sqrt 3 $$then point out the correct alternative among the four alternatives given below ?

A. < a < c
B. < c < b
C. < c < a
D. < b < c
Answer» E.
1286.

$${\text{The value of }}\frac{{4 + 3\sqrt 3 }}{{7 + 4\sqrt 3 }}{\text{ is?}}$$

A. $$\sqrt 3 $$ - 8
B. $$\sqrt 5 $$ + 8
C. $$\sqrt 3 $$ + 5
D. $$\sqrt 3 $$ - 5
Answer» B. $$\sqrt 5 $$ + 8
1287.

If a2 - 4a - 1 = 0 then value of $${a^2} + \frac{1}{{{a^2}}} + 3a - \frac{3}{a}$$is?

A. 5
B. 0
C. 5
D. 0
Answer» C. 5
1288.

If $$\frac{{xy}}{{x + y}} = a,$$$$\frac{{xz}}{{x + z}} = b$$and $$\frac{{yz}}{{y + z}} = c{\text{,}}$$where a, b, c are all non - zero numbers, then x equals to?

A. $\frac{{2abc}}{{ab + bc - ac}}$$
B. $\frac{{2abc}}{{ab - bc + ac}}$$
C. $\frac{{2abc}}{{bc + ac - ab}}$$
D. $\frac{{2abc}}{{ab + bc + ac}}$$
Answer» D. $\frac{{2abc}}{{ab + bc + ac}}$$
1289.

If $$x + \frac{1}{x} = 99{\text{,}}$$find the value of$$\frac{{100x}}{{2{x^2} + 2 + 102x}}$$is?

A. $\frac{1}{6}$$
B. $\frac{1}{2}$$
C. $\frac{1}{3}$$
D. $\frac{1}{4}$$
Answer» D. $\frac{1}{4}$$
1290.

If x : y = 4 : 15 then the value of $$\left( {\frac{{x - y}}{{x + y}}} \right)$$is?

A. $\frac{{11}}{{19}}$$
B. $\frac{{19}}{{11}}$$
C. $\frac{4}{{11}}$$
D. $\frac{{15}}{{19}}$$
Answer» B. $\frac{{19}}{{11}}$$
1291.

The lines 2x + y = 5 and x + 2y = 4 intersect at the point?

A. 1, 2)
B. 2, 1)
C. 2, 0)
D. 0, 2)
Answer» C. 2, 0)
1292.

If x + y + z = 6, then the value of (x - 1)3 + (y - 2)3 + (z - 3)3 is?

A. (x - 1)(y + 2)(z - 3)
B. (x + 1)(y - 2)(z - 3)
C. (x - 1)(y - 2)(z + 3)
D. (x - 1)(y - 2)(z - 3)
Answer» E.
1293.

If $$x - \frac{1}{x} = 3{\text{,}}$$then the value of $${x^3} - \frac{1}{{{x^3}}}\,{\text{is?}}$$

A. 2
B. 6
C. 0
D. 9
Answer» C. 0
1294.

If $$x + \frac{1}{x} = 3{\text{,}}$$then the value of $$\left( {{x^5} + \frac{1}{{{x^5}}}} \right)\,{\text{is?}}$$

A. 22
B. 26
C. 23
D. 13
Answer» D. 13
1295.

If $$\sqrt {0.04 \times 0.4 \times a} $$= 0.004 × 0.4 × $$\sqrt b ,$$then the value of $$\frac{a}{b}\,{\text{is?}}$$

A. ${\text{16}} \times {\text{1}}{{\text{0}}^{ - 3}}$$
B. ${\text{16}} \times {\text{1}}{{\text{0}}^{ - 4}}$$
C. ${\text{16}} \times {\text{1}}{{\text{0}}^{ - 5}}$$
D. ${\text{16}} \times {\text{1}}{{\text{0}}^{ - 6}}$$
Answer» D. ${\text{16}} \times {\text{1}}{{\text{0}}^{ - 6}}$$
1296.

$${\text{If }}\sqrt {1 + \frac{x}{{961}}}= \frac{{32}}{{31}}{\text{,}}$$then the value of x is?

A. 3
B. 1
C. 5
D. 4
Answer» B. 1
1297.

If x * y = (x + 3)2 (y - 1), then the value of 5 * 4 is?

A. 92
B. 82
C. 80
D. 72
Answer» B. 82
1298.

If $$\sqrt {0.03 \times 0.3a} $$= $${\text{0}}{\text{.3}} \times {\text{0}}{\text{.3}} \times \sqrt b {\text{,}}$$value of $$\frac{a}{b}\,{\text{is?}}$$

A. 0.009
B. 0.03
C. 0.9
D. 0.08
Answer» D. 0.08
1299.

If (125)x = 3125, then the value of x is?

A. $\frac{1}{5}$$
B. $\frac{3}{5}$$
C. $\frac{5}{3}$$
D. $\frac{5}{7}$$
Answer» D. $\frac{5}{7}$$
1300.

If ⊗ is an operation such that a ⊗ b = 2a when a > b, a + b when a < b, a2 when a = b, then $$\left[ {\frac{{\left( {5 \otimes 7} \right) + \left( {4 \otimes 4} \right)}}{{3\left( {5 \otimes 5} \right) - \left( {15 \otimes 11} \right) - 3}}} \right]$$is equal to?

A. $\frac{1}{3}$$
B. $\frac{{14}}{{23}}$$
C. $\frac{2}{3}$$
D. $\frac{{14}}{{13}}$$
Answer» D. $\frac{{14}}{{13}}$$