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.

1751.

If a + b = 8 and a + a2 b + b + ab2 = 128 then the positive value of a3 + b3 is:

A. 152
B. 224
C. 96
D. 344
Answer» B. 224
1752.

A total of 57 sweets were distributed among 10 children such that each girl gets 6 sweets and each boy gets 5 sweets. Find the number of boys.

A. 6
B. 4
C. 3
D. 5
Answer» D. 5
1753.

If the sum of the squares of three consecutive natural numbers 110, then the sum of their cubes is

A. 625
B. 654
C. 684
D. 725
Answer» D. 725
1754.

If x2 + y2 + z2 = xy + yz + zx, then what is the value of (7x + 3y – 5z)/5x?

A. 0
B. 1
C. 5
D. 33/5
Answer» C. 5
1755.

Find the unit digit of the expression312 + 322 + 332 + 342 + 352 + 362 + 372 + 382 + 392

A. 1
B. 4
C. 5
D. 9
Answer» D. 9
1756.

If f(5 + x) = f(5- x) for every real x, and f(x) = 0 has four distinct real roots, then the sum of these roots is

A. 10
B. 0
C. 40
D. 20
Answer» E.
1757.

In the given question, two equations numbered l and II are given. You have to solve both the equations and mark the appropriate answerI. a2 + 10a + 21 = 0II. 28b2 + 15b + 2 = 0

A. a < b
B. a > b
C. a ≤ b
D. a ≥ b
E. a = b or the relationship cannot be determined
Answer» B. a > b
1758.

If 172020 is divided by 18, then what is the remainder ?

A. 1
B. 2
C. 16
D. 17
Answer» B. 2
1759.

Find the value of the following expression.106 × 106 + 94 × 94

A. 20036
B. 20049
C. 20072
D. 20098
Answer» D. 20098
1760.

If (x + 3) is a factor of x3 + 3x2 + 4x + k, then what is the value of k?

A. 12
B. 24
C. 36
D. 72
Answer» B. 24
1761.

Find the last two digits of: 15 × 37 × 63 × 51 × 97 × 17

A. 35
B. 45
C. 55
D. 85
Answer» B. 45
1762.

A man travelled a distance of 60 km in 7 hours. He travelled partly on foot @ 6 km/hr and partly on bicycle @ 12 km/hr. What is the distance (in kms) travelled on foot?

A. 15
B. 9
C. 48
D. 24
Answer» E.
1763.

If P3×2, Q3×4 and R3×4 are matrices, then the product [Q(PT R)-1 QT] is

A. a matrix of order (3 × 4)
B. undefined matrix
C. a scalar matrix
D. matrix of order (3 × 3)
Answer» C. a scalar matrix
1764.

In the following question, two equations numbered I and II are given. You have to solve both the equations and give answer:I. x2 – 9 = 0II. y2 + 6y + 9 = 0

A. x > y
B. x ≥ y
C. x < y
D. x ≤ y
E. x = y or the relation cannot be determined
Answer» C. x < y
1765.

If x - 1/x = 6, then x3 - 1/x3 is equal to∶

A. 234
B. 198
C. 176
D. 216
Answer» B. 198
1766.

If p + 1/p = 4 then what is the value of p2 +1/p2 ?

A. 10
B. 14
C. 21
D. 9
Answer» C. 21
1767.

If a + b + c = 7, and a2 + b2 + c2 = 33, then what is the value of a3 + b3 + c3 – 3abc?

A. 257
B. 287
C. 343
D. 175
Answer» E.
1768.

If (x2 - 4x + 1) = 0, then find the value of \(\frac{{{\rm{\;}}{x^3} + \frac{1}{{{x^3}}}}}{{{\rm{\;}}{x^2} + \frac{1}{{{x^2}}}}}\).A. 26/7B. 13/7C. 6/7D. 33/7

A. D
B. A
C. B
D. C
Answer» C. B
1769.

If x + y = 1 and xy(xy – 2) = 12, then the value of x4 + y4 is∶

A. 23
B. 19
C. 20
D. 25
Answer» E.
1770.

If x2 - 8x + 1 = 0, then what is the value of \({x^2} + \frac{1}{{{x^2}}}\)?

A. 18
B. 34
C. 40
D. 62
Answer» E.
1771.

If \(a = \frac{1}{{a - 5}}\)(a > 0), then the value of a + 1/a is

A. √29
B. √28
C. – √29
D. √27
Answer» B. √28
1772.

A fraction is greater than its reciprocal by 72/77. What is the fraction?

A. 7/11
B. 11/7
C. 4/7
D. 7/4
Answer» C. 4/7
1773.

Determine the value of x2 + y2 when x3 - y3 = 54, x - y = 18 and xy = 2

A. 0
B. 1
C. 2
D. 3
Answer» C. 2
1774.

For the matrix\(A = \left[ {\begin{array}{*{20}{c}}1&4\\2&3\end{array}} \right]\)the expression A5 – 4A4 – 7A3 + 11A2 – A – 10I is equivalent to

A. A2 + A + 5I
B. A + 5I
C. A2 + 5I
D. A2 + 2A + 6I
Answer» C. A2 + 5I
1775.

Consider the following statements:1) Unit digit in 17174 is 7.2) Difference of the squares of any two odd numbers is always divisible by 8.3) Adding 1 to the product of two consecutive odd numbers makes it a perfect square.Which of the above statements are correct?

A. 1, 2 and 3
B. 1 and 2 only
C. 2 and 3 only
D. 1 and 3 only
Answer» D. 1 and 3 only
1776.

In the following question, two equations numbered I and II are given. You have to solve both the equations and give answer:I. x2 – 20x + 91 = 0II. y2 – 34y + 273 = 0

A. x > y
B. x ≥ y
C. x < y
D. x ≤ y
E. x = y or the relation cannot be determined
Answer» E. x = y or the relation cannot be determined
1777.

If f(x) and g(x) are polynomials of degree p and q respectively, then the degree of [f(x) ± g(x)] (if it is non zero) is

A. Greater than min (p, q)
B. Greater than max (p, q)
C. Less than or equal to max (p, q)
D. Equal to min (p, q)
Answer» D. Equal to min (p, q)
1778.

Determine the value of ‘x’ in \(x{\rm{}} = {\rm{}}\frac{1}{{1{\rm{\;}} + {\rm{\;}}\sqrt 2 }}{\rm{}} + {\rm{}}\frac{1}{{\sqrt 2 {\rm{\;}} + {\rm{\;}}\sqrt 3 }}{\rm{}} + {\rm{}}\frac{1}{{\sqrt 3 {\rm{\;}} + {\rm{\;}}2}}\)​

A. -1
B. 0
C. 1
D. 2
Answer» D. 2
1779.

If A is \(\left[ {\begin{array}{*{20}{c}} 8&5\\ 7&6 \end{array}} \right]\) then the value of |A121 - A120|

A. 0
B. 1
C. 120
D. 121
Answer» B. 1
1780.

Find the zero of the function f(x) = (x - 17) (x - 7)

A. 0. -7
B. 2, 7
C. 17, 7
D. -17, -7
Answer» D. -17, -7
1781.

If x + 1/x = 3, then x3 + 1/x3 is equal to:

A. 18
B. 27
C. 24
D. 36
Answer» B. 27
1782.

If x + 1/x = 8, then what is x2 + 1/x2 equal to?

A. 52
B. 46
C. 62
D. 0
Answer» D. 0
1783.

If a2 + b2 + c2 + 1/a2 + 1/b2 + 1/c2 = 6, then what is the value of a2 + b2 + c2?

A. 3
B. 6
C. -3
D. 2
Answer» B. 6
1784.

If x2 – 4x + 4 = 0, then the value of 16(x4 – 1/x4) is:

A. 127
B. 255/16
C. 255
D. 127/16
Answer» D. 127/16
1785.

If 24√3x3 + 5√5y3 = (2√3x + √5y) × (Ax2 + Bxy + Cy2) then what is the value of (A2 – B2 + C2)?

A. 109
B. 108
C. 139
D. 128
Answer» B. 108
1786.

If a3 + b3 = 1344 and a + b = 28, then (a + b)2 - 3ab is equal to:

A. 16
B. 32
C. 48
D. 24
Answer» D. 24
1787.

If \(x + \frac{1}{x} = \sqrt 3\), then the value of x18 + x12 + x6 + 1 is:

A. 0
B. 2
C. 3
D. 1
Answer» B. 2
1788.

If \(2x + \frac{1}{{2x}} = 2\), then what is the value of \(\sqrt {2{{\left( {\frac{1}{x}} \right)}^4} + {{\left( {\frac{1}{x}} \right)}^5}} \)?

A. 1
B. 2
C. 4
D. 8
Answer» E.
1789.

Let ∑un be a series of positive terms. Given that ∑un is convergent and also\(\begin{array}{*{20}{c}} {lt}\\ {n \to \infty } \end{array}\frac{{{u_{n + 1}}}}{{{u_n}}}\) exists, then the said limit is

A. Necessarily equal to 1
B. Necessarily greater than 1
C. Necessarily less than 1
D. May be equal to 1 or less than 1
Answer» D. May be equal to 1 or less than 1
1790.

If a + b + c = 7 and a3 + b3 + c3 - 3abc = 175, then what is the value of ab + bc + ca?

A. 9
B. 7
C. 10
D. 8
Answer» E.
1791.

If \(a-\frac{1}{a}=3.\) then \({{a}^{6}}+\frac{1}{{{a}^{6}}}\) is equal to:

A. 1298
B. 996
C. 729
D. 1331
Answer» B. 996
1792.

If (x - 7)3 + (2x + 8)3 + (2x - 3)3 = 3(x - 7) (2x + 8) (2x - 3), then what is the value of x?

A. 2.4
B. 1.6
C. 1.2
D. 0.4
Answer» E.
1793.

If p3 + q3 + r3 - 3pqr = 4 and a = q + r, b = r + p and c = p + q, then what is the value of a3 + b3 + c3 - 3abc?

A. 4
B. 8
C. 2
D. 12
Answer» C. 2
1794.

For any vector \({\rm{\vec a}}\) \({\left| {{\rm{\vec a}} \times {\rm{\hat i}}} \right|^2} + {\left| {{\rm{\vec a}} \times {\rm{\hat j}}} \right|^2} + {\left| {{\rm{\vec a}} \times {\rm{\hat k}}} \right|^2}\) is equal to

A. \({\left| {{\rm{\vec a}}} \right|^2}\)
B. \(2{\left| {{\rm{\vec a}}} \right|^2}\)
C. \(3{\left| {{\rm{\vec a}}} \right|^2}\)
D. \(4{\left| {{\rm{\vec a}}} \right|^2}\)
Answer» C. \(3{\left| {{\rm{\vec a}}} \right|^2}\)
1795.

If the system of equations 7x - y - 5 = 0 and ax - 5y - 25 = 0 has infinite number of solutions, then for k \(\in\) IR the general solution (x, y) of the system is

A. (k + 5)/7, k
B. \((k,\frac{a}{7})\)
C. k, (k - 5)/7
D. \((7k - \frac{a}{7}k)\)
Answer» B. \((k,\frac{a}{7})\)
1796.

If sec θ and sin θ (0 < θ < 90) are the roots of the equation \(\sqrt{6} x^2 - kx + \sqrt{6}=0\), then the value of k is:

A. \(2\sqrt{3}\)
B. \(3\sqrt{2}\)
C. \(\sqrt{3}\)
D. \(3\sqrt{3}\)
Answer» E.
1797.

If \(\frac{{ab - 1}}{b} = \frac{{cb - 1}}{c} = \frac{{ac - 1}}{a},\) then find the value of \(\left( {\frac{a}{c} + \frac{b}{a} + \frac{c}{b}} \right)\)

A. 1
B. 2
C. 3
D. 4
Answer» D. 4
1798.

If y = 13 + 23 + 33 + 43 + 53 + 63, then find the value of (y - 1).

A. 429
B. 439
C. 440
D. 441
Answer» D. 441
1799.

If a3 + b3 = 217 and a + b = 7, then the value of ab is:

A. -1
B. 6
C. -6
D. 7
Answer» C. -6
1800.

If x + y = 7 and xy = 12, then the value of \(\left(\dfrac{1}{x^3} + \dfrac{1}{y^3}\right)\) is:

A. \(\dfrac{191}{1728}\)
B. 1
C. \(\dfrac{97}{1728}\)
D. \(\dfrac{91}{1728}\)
Answer» E.