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.

1151.

If \({x^2} - x + 1 = 0\), then the value of \({x^9} + {x^6} + {x^3} + 1\) is

A. 1
B. -1
C. 0
D. None of the above
Answer» D. None of the above
1152.

At least one eigenvalue of a singular matrix is

A. Positive
B. Zero
C. Negative
D. Imaginary
Answer» C. Negative
1153.

If \(x=\frac{{\sqrt 3 }}{2}\), then the value of \(\frac{{\sqrt {1 + x} + \sqrt {1 - x} }}{{\sqrt {1 + x} - \sqrt {1 - x} }}\) is equal to:

A. √2
B. √3
C. 3
D. 2
Answer» C. 3
1154.

If x ≠ -1, 2 and 5, then the simplified value of \(\frac{{2\left( {{x^3} - 8} \right)}}{{{x^2} - x - 2}}\; \times \;\frac{{{x^2}\; + \;2x\; + \;1}}{{{x^2} - 4x - 5}} \div \;\frac{{{x^2}\; + \;2x\; + \;4}}{{3x - 15}}\) is equal to:

A. 16
B. 6
C. 32
D. 23
Answer» C. 32
1155.

Directions: In the following question, two equations are given. You have to solve both the equations and find the relation between ‘x’ and ‘y’ and mark the correct answer.I. y2 – 18y + 65 = 0II. x2 – 26x + 169 = 0

A. if x > y
B. if x ≥ y
C. if x < y
D. if x ≤ y
E. if x = y or the relationship cannot be established
Answer» C. if x < y
1156.

If x + y + z = 17, xy + yz + zx = 85, then what is the value of \(\sqrt {{x^3} + {y^3} + {z^3} - 3xyz}\)?

A. 11√3
B. 17√2
C. 17√3
D. 11√2
Answer» C. 17√3
1157.

If (x - 1/3)2 + (y - 4)2 = 0, then what is the value of (y + x)/(y - x)?

A. 11/13
B. 13/11
C. 16/9
D. 9/16
Answer» C. 16/9
1158.

Direction: In the given question, two equations numbered l and II are given. You have to solve both the equations and mark the appropriate answer.I. 2x2 + 5x + 3 = 0II. 2y2 – 7y + 6 = 0

A. if x > y
B. if x ≥ y
C. if x < y
D. if x ≤ y
E. if x = y or the relationship cannot be established.
Answer» D. if x ≤ y
1159.

If x - 11, then the value of x5 - 12x4 + 12x3 - 12x2 + 12x - 1 is?

A. 1
B. 0
C. 2
D. 10
Answer» C. 2
1160.

If $${x^2} + \frac{1}{{{x^2}}} = 98{\text{,}}$$$$\left( {x > 0} \right){\text{,}}$$then the value of $$x^3 + \frac{1}{{{x^3}}}$$is?

A. 70
B. 030
C. 970
D. 1030
Answer» B. 030
1161.

If $$a + \frac{1}{b}$$= $$b + \frac{1}{c}$$= $$c + \frac{1}{a}$$(where a ≠ b ≠ c), then abc is equal to?

A. 1
B. 1
C. 1 & -1
D. one of these
Answer» D. one of these
1162.

If a = 2, b = -3, then the value of 27a3 - 54a2b + 36ab2 - 8b3 is?

A. 562
B. 616
C. 676
D. 728
Answer» E.
1163.

If $$x + \frac{1}{{9x}} = 4{\text{,}}$$then $${\text{9}}{x^2} + \frac{1}{{9{x^2}}}$$is?

A. 40
B. 42
C. 44
D. 46
Answer» C. 44
1164.

If ab = 21 and $$\frac{{{{\left( {a + b} \right)}^2}}}{{{{\left( {a - b} \right)}^2}}}$$= $$\frac{{25}}{4}{\text{,}}$$then the value of a2 + b2 + 3ab is?

A. 15
B. 21
C. 25
D. 27
Answer» C. 25
1165.

If a + b + c = 0, then the value of a3 + b3 + c3 is?

A. bc
B. abc
C. abc
Answer» D.
1166.

If x = 222, y = 223, z = 225, then the value of x3 + y3 + z3 is?

A. 590
B. 690
C. 950
D. 960
Answer» C. 950
1167.

If $$4x + \frac{1}{x} = 5,$$$$x \ne 0{\text{,}}$$then the value of $$\frac{{5x}}{{4{x^2} + 10x + 1}}$$is?

A. $\frac{1}{2}$$
B. $\frac{1}{3}$$
C. $\frac{2}{3}$$
Answer» C. $\frac{2}{3}$$
1168.

If a + b = 10 and ab = 21, then the value of (a - b)2 is?

A. 5
B. 6
C. 7
D. 8
Answer» C. 7
1169.

If $$2x + \frac{1}{{3x}} = 5{\text{,}}$$then the value of $$\frac{{5x}}{{6{x^2} + 20x + 1}}$$is?

A. $\frac{1}{4}$$
B. $\frac{1}{6}$$
C. $\frac{1}{5}$$
D. $\frac{1}{7}$$
Answer» E.
1170.

If x, y and z are real numbers such that (x - 3)2 + (y - 4)2 + (z - 5)2 = 0, then (x + y + z) is equal to?

A. 0
B. 4
C. 1
D. 2
Answer» E.
1171.

The third proportional of the following numbers (x - y)2, (x2 - y2) = ?

A. x + y3) (x + y4)
B. x + y)4 (x - y)2
C. x + y) (x - y)2
D. x + y)2 (x - y)3
Answer» D. x + y)2 (x - y)3
1172.

If $$x = \sqrt a+ \frac{1}{{\sqrt a }}{\text{,}}$$$$y = \sqrt a- \frac{1}{{\sqrt a }}{\text{,}}$$$$\left( {a > 0} \right)$$then the value of x4 + y4 - 2x2y2 is?

A. 6
B. 0
C. 0
Answer» B. 0
1173.

If $$\sqrt 3+ \frac{1}{{\sqrt 3 }}{\text{,}}$$then the value of $$\left( {x - \frac{{\sqrt {126} }}{{\sqrt {42} }}} \right)$$$$\left( {x - \frac{1}{{x - \frac{{2\sqrt 3 }}{3}}}} \right)$$is?

A. ${\text{5}}\frac{{\sqrt 3 }}{6}$$
B. $\frac{{2\sqrt 3 }}{3}$$
C. $\frac{5}{6}$$
D. $\frac{2}{3}$$
Answer» D. $\frac{2}{3}$$
1174.

If $$\sqrt x $$- $$\sqrt y $$= 1, $$\sqrt x $$+ $$\sqrt y $$= 17, then $$\sqrt {xy} $$= ?

A. $\sqrt {72} $$
B. 2
C. 2
D. 4
Answer» C. 2
1175.

If a(x + y) = b(x - y) = 2ab, then the value of 2(x2 + y2) is?

A. (a2 - b2)
B. (a2 + b2)
C. (a2 - b2)
D. (a2 + b2)
Answer» E.
1176.

If (x - 5)2 + (y - 2)2 + (z - 9)2 = 0, then the value of (x + y - z) is?

A. 6
B. 1
C. 2
D. 2
Answer» D. 2
1177.

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

A. $\frac{1}{3}$$
B. $\frac{1}{4}$$
C. $\frac{1}{2}$$
D. $\frac{1}{5}$$
Answer» D. $\frac{1}{5}$$
1178.

If $${\text{2}}x - \frac{1}{{2x}} = 5{\text{,}}$$$${\text{x}} \ne {\text{0,}}$$then find the value of $${x^2} + \frac{1}{{16{x^2}}} - 2$$= ?

A. $\frac{{19}}{4}$$
B. $\frac{{23}}{4}$$
C. $\frac{{27}}{4}$$
D. $\frac{{31}}{4}$$
Answer» B. $\frac{{23}}{4}$$
1179.

A complete factorisation of x4 + 64 is?

A. x2 + 8)2
B. x2 + 8)(x2 - 8)
C. x2 - 4x + 8)(x2 - 4x - 8)
D. x2 + 4x + 8)(x2 - 4x + 8)
Answer» E.
1180.

If the sum of square of two real numbers is 41, and their sum is 9. Then the sum of cubes of these two numbers is ?

A. 69
B. 09
C. 89
D. 98
Answer» D. 98
1181.

If p = 99, then the value of p(p2 + 3p + 3) is?

A. 999
B. 99999
C. 9999
D. 99
Answer» C. 9999
1182.

When a number x is divided by a divisor it is seen that the divisor = 4 times the quotient = double of remainder. If the remainder is 80, then the value of x is?

A. 480
B. 680
C. 460
D. 680
Answer» B. 680
1183.

If a2 + b2 + c2 = 16, x2 + y2 + z2 = 25 and ax + by + cz = 20 then the value of $$\frac{{a + b + c}}{{x + y + z}}$$= ?

A. $\frac{3}{5}$$
B. $\frac{4}{5}$$
C. $\frac{5}{3}$$
D. $\frac{5}{4}$$
Answer» C. $\frac{5}{3}$$
1184.

If x4 + 2x3 + ax2 + bx + 9 is a perfect square where a and b are positive real numbers, then the value of a and b is?

A. = 5, b = 6
B. = 6, b = 7
C. = 7, b = 7
D. = 7, b = 8
Answer» C. = 7, b = 7
1185.

If $$x = \frac{{\sqrt 5+ 1}}{{\sqrt 5- 1}}$$and $${\text{y}} = \frac{{\sqrt 5- 1}}{{\sqrt 5+ 1}}{\text{,}}$$then the value of $$\frac{{{x^2} + xy + {y^2}}}{{{x^2} - xy + {y^2}}}$$is?

A. $\frac{3}{4}$$
B. $\frac{5}{3}$$
C. $\frac{4}{3}$$
D. $\frac{3}{5}$$
Answer» D. $\frac{3}{5}$$
1186.

The simplified value of $$\left( {1 - \frac{{2xy}}{{{x^2} + {y^2}}}} \right)$$$$ ÷ $$ $$\left( {\frac{{{x^3} - {y^3}}}{{x - y}} - 3xy} \right)$$is?

A. $\frac{1}{{{x^2} - {y^2}}}$$
B. $\frac{1}{{{x^2} + {y^2}}}$$
C. $\frac{1}{{x - y}}$$
D. $\frac{1}{{x + y}}$$
Answer» C. $\frac{1}{{x - y}}$$
1187.

If $$\left( {x + \frac{1}{x}} \right)$$: $$\left( {x - \frac{1}{x}} \right)$$= 5 : 3 the value of x is/are ?

A. 1
B. 2
C. 3`
Answer» C. 3`
1188.

$$p + \frac{1}{{p + 2}} = 1{\text{,}}$$Find the value of $${\left( {p + 2} \right)^3}$$$$+$$ $$\frac{1}{{{{\left( {p + 2} \right)}^3}}}$$$$-$$ 3 = ?

A. 2
B. 6
C. 8
D. 5
Answer» E.
1189.

If xy(x + y) = m, then the value of x3 + y3 + 3m is?

A. $\frac{{{m^3}}}{{xy}}$$
B. $\frac{{{m^3}}}{{{{\left( {x + y} \right)}^2}}}$$
C. $\frac{{{m^3}}}{{{x^3}{y^3}}}$$
D. $\frac{m}{{{x^3}{y^3}}}$$
Answer» D. $\frac{m}{{{x^3}{y^3}}}$$
1190.

If $${x^2} + {y^2} = 29$$and xy = 10 where x > 0, y > 0, x > y, then the value of $$\frac{{x + y}}{{x - y}}$$is?

A. $ - \frac{7}{3}$$
B. $\frac{7}{3}$$
C. $\frac{3}{7}$$
D. $ - \frac{3}{7}$$
Answer» C. $\frac{3}{7}$$
1191.

If $$x = {\left( {0.25} \right)^{\frac{1}{2}}},$$$$y = {\left( {0.4} \right)^2},$$$$z = {\left( {0.216} \right)^{\frac{1}{2}}}$$then-

A. > x > z
B. > y > z
C. > x > y
D. > z > y
Answer» E.
1192.

If $$2x + \frac{2}{{9x}} = 4{\text{,}}$$then the value of $$27{x^3} + \frac{1}{{27{x^3}}}$$is?

A. 80
B. 98
C. 34
D. 52
Answer» C. 34
1193.

If a + b = 5 and a - b = 3, then the value of (a2 + b2) is?

A. 7
B. 8
C. 9
D. 0
Answer» B. 8
1194.

If $${x^2} + 5x + 6 = 0{\text{,}}$$then the value of $$\frac{{2x}}{{{x^2} - 7x + 6}}$$is?

A. $\frac{1}{6}$$
B. $\frac{1}{3}$$
C. $ - \frac{1}{6}$$
D. $ - \frac{1}{3}$$
Answer» D. $ - \frac{1}{3}$$
1195.

If a - b = 1 and a3 - b3 = 61, then the value of ab will be?

A. 20
B. 0
C. 0
D. 0
Answer» C. 0
1196.

If p = 99, then the value of p(p2 + 3p + 3) will be?

A. 000000
B. 99999
C. 99998
D. 99997
Answer» C. 99998
1197.

If x + y = 4, x2 + y2 = 14 and x > y. Then the correct value of x and y is?

A. $2 - \sqrt 2 ,\sqrt 3 $$
B. $3,1$$
C. $2 + \sqrt 3 ,2 - \sqrt 3 $$
D. $2 + \sqrt 3 ,2\sqrt 2 $$
Answer» D. $2 + \sqrt 3 ,2\sqrt 2 $$
1198.

If x(x + y + z) = 20, y = (x + y + z) = 30 & z(x + y + z) = 50, then the value of 2(x + y + z) is?

A. 0
B. 0
C. 5
D. 8
Answer» B. 0
1199.

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

A. $\frac{{2a}}{{{a^2} + 2}}$$
B. $\frac{{4a}}{{{a^2} + 4}}$$
C. $\frac{{2a}}{{{a^2} + 4}}$$
D. $\frac{{4a}}{{{a^2} + 2}}$$
Answer» C. $\frac{{2a}}{{{a^2} + 4}}$$
1200.

The sum of $$\frac{1}{{x + y}}$$and $$\frac{1}{{x - y}}$$is?

A. $\frac{{2y}}{{{x^2} - {y^2}}}$$
B. $\frac{{2x}}{{{x^2} - {y^2}}}$$
C. $\frac{{ - 2y}}{{{x^2} - {y^2}}}$$
D. $\frac{{2x}}{{{y^2} - {x^2}}}$$
Answer» C. $\frac{{ - 2y}}{{{x^2} - {y^2}}}$$