Explore topic-wise MCQs in Aptitude.

This section includes 782 Mcqs, each offering curated multiple-choice questions to sharpen your Aptitude knowledge and support exam preparation. Choose a topic below to get started.

451.

If a + b + c + d = 4 then the value of

A. 0
B. 1
C. 4
D. 1+ abcd
Answer» B. 1
452.

If x2 + 5x + 6 = 0, then the value of 2x is : x2 7x + 6

A. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td></tr><tr><td style="text-align: center;">6</td></tr></table>
B. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td></tr><tr><td style="text-align: center;">3</td></tr></table>
C. <table><tr><td rowspan="2"> </td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td></tr><tr><td style="text-align: center;">6</td></tr></table>
D. <table><tr><td rowspan="2"> </td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td></tr><tr><td style="text-align: center;">3</td></tr></table>
Answer» D. <table><tr><td rowspan="2"> </td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td></tr><tr><td style="text-align: center;">3</td></tr></table>
453.

If (a 2) + 1 = 1, then the value of (a + 2)2 + 1 is :(a + 2)(a + 2)2

A. 7
B. 11
C. 23
D. 27
Answer» B. 11
454.

The maximum value of 5 + 20x 4x

A. 1
B. 5
C. 25
D. 30
Answer» E.
455.

If (a + b 6)

A. 7
B. 6
C. 3.5
D. 2.5
Answer» D. 2.5
456.

If x + 3y = 3x + y, then x2 is equal to 2y2

A. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td></tr><tr><td style="text-align: center;">8</td></tr></table>
B. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td></tr><tr><td style="text-align: center;">2</td></tr></table>
C. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td></tr><tr><td style="text-align: center;">4</td></tr></table>
D. 4
Answer» B. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td></tr><tr><td style="text-align: center;">2</td></tr></table>
457.

If a + b = 17 and a b = 9, then the value of (4a

A. 710
B. 720
C. 730
D. 740
Answer» E.
458.

If y = 4x, thenx2 is : y

A. 2
B. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td></tr><tr><td style="text-align: center;">16</td></tr></table>
C. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td></tr><tr><td style="text-align: center;">4</td></tr></table>
D. 4
Answer» E.
459.

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

A. 15
B. 16
C. 17
D. 18
Answer» C. 17
460.

If 2x + 1 = 5, the value of 5x is 3x6x2 + 20x + 1

A. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td></tr><tr><td style="text-align: center;">4</td></tr></table>
B. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td></tr><tr><td style="text-align: center;">6</td></tr></table>
C. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td></tr><tr><td style="text-align: center;">5</td></tr></table>
D. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td></tr><tr><td style="text-align: center;">7</td></tr></table>
Answer» E.
461.

If x = a + 1 , y = a 1 (a &gt; 0), then the value of (x4 + y4 2x2y2) is a a

A. 16
B. 20
C. 10
D. 5
Answer» B. 20
462.

If (x 2) (x p) = x

A. 0
B. 1
C. 2
D. 3
Answer» D. 3
463.

If x = a + 2 , then the value of x2 y2 is :ya 2x2 + y2

A. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>4a</center></td></tr><tr><td style="text-align: center;">a<sup>2</sup> + 2</td></tr></table>
B. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>2a</center></td></tr><tr><td style="text-align: center;">a<sup>2</sup> + 2</td></tr></table>
C. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>4a</center></td></tr><tr><td style="text-align: center;">a<sup>2</sup> + 4</td></tr></table>
D. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>2a</center></td></tr><tr><td style="text-align: center;">a<sup>2</sup> + 4</td></tr></table>
Answer» D. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>2a</center></td></tr><tr><td style="text-align: center;">a<sup>2</sup> + 4</td></tr></table>
464.

If a + b + c = 0 then the value of a2 + b2 + c2 is ab + bc + ca

A. 2
B. 2
C. 0
D. 4
Answer» C. 0
465.

If x + 1 = 5, then the value of x is x1 + x + x2

A. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td></tr><tr><td style="text-align: center;">5</td></tr></table>
B. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td></tr><tr><td style="text-align: center;">6</td></tr></table>
C. 5
D. 6
Answer» C. 5
466.

If a = 1, find the value of the expression (2a 5b)b2(5a + 3b)

A. 32
B. 11
C. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center> 8</center></td></tr><tr><td style="text-align: center;">11</td></tr></table>
D. 17
Answer» D. 17
467.

If a + 1 = 1 and b + 1 = 1 then c +1 is equal to :bca

A. 1
B. 0
C. 1
D. 2
Answer» B. 0
468.

The value of a + b is a bb a

A. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>(a + b)</center></td></tr><tr><td style="text-align: center;">(a b)</td></tr></table>
B. 1
C. 2ab
D. 1
Answer» E.
469.

If 2x + 1 =1, then the value of x2 + 1 is 4x64x2

A. 0
B. 1
C. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td></tr><tr><td style="text-align: center;">4</td></tr></table>
D. 2
Answer» B. 1
470.

If x 1 = 2, then what is the value of x2 + 1 ? xx2

A. 4
B. 5
C. 3
D. 6
Answer» E.
471.

If x + 1 = x + a b, then x is equal to a + ba ba + b

A. 2a b
B. a + b
C. a b
D. 2a + b
Answer» D. 2a + b
472.

If p = 99, then the value of p (p

A. 9999
B. 999999
C. 99999
D. 9999999
Answer» C. 99999
473.

If a2 + + 1 = 9a, (a 0) then the value of (a)2 + 1 is (a)2

A. 81
B. 18
C. 79
D. 83
Answer» D. 83
474.

If a2 = b2 = c2 = 1 then 1 + 1 + 1 is b + cc + aa + b1 + a1 + b1 + c

A. 1
B. 2
C. 3
D. 4
Answer» B. 2
475.

If a + 1 = 1, then the value of a2 a + 1 is (a 0) aa2 + a + 1

A. 1
B. 1
C. 0
D. 2
Answer» D. 2
476.

If (a b) = 3 and (a

A. 16
B. 8
C. 10
D. 15
Answer» C. 10
477.

If 2p = 1, then the value of p + 1 will bep2 2p + 14p

A. 8
B. 10
C. 12
D. None of these
Answer» C. 12
478.

If 5x + 1 = 10, then x2 + 1is equal tox25x2

A. <table><tr><td rowspan="2">2</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td></tr><tr><td style="text-align: center;">5</td></tr></table>
B. <table><tr><td rowspan="2">3</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td></tr><tr><td style="text-align: center;">5</td></tr></table>
C. <table><tr><td rowspan="2">3</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>3</center></td></tr><tr><td style="text-align: center;">5</td></tr></table>
D. <table><tr><td rowspan="2">2</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>3</center></td></tr><tr><td style="text-align: center;">5</td></tr></table>
Answer» D. <table><tr><td rowspan="2">2</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>3</center></td></tr><tr><td style="text-align: center;">5</td></tr></table>
479.

If a2 = b2 = c2 = 1 then find the value of 2 + 2 + 2 . b + cc + aa + b1 + a1 + b1 + c

A. 0
B. 1
C. 2
D. 3
Answer» D. 3
480.

If p2 + q2 = 7 pq, then the value of p + q is equal to qp

A. 9
B. 5
C. 7
D. 3
Answer» D. 3
481.

If 9x

A. 1
B. 1
C. 2
D. 2
Answer» B. 1
482.

If x + 1 = 4, then the value 9x2 + 1 is 9x9x2

A. 140
B. 142
C. 144
D. 146
Answer» C. 144
483.

If x2 + 1 = 2 , then the value of x 1 is x2x

A. 2
B. 0
C. 1
D. 1
Answer» C. 1
484.

If x = 99, then the value of 2(x

A. 1000001
B. 1000000
C. 999999
D. 9999999
E. None of these
Answer» F.
485.

If x + 1 = c + 1 then the value of x is xc

A. <table><tr><td rowspan="2">c</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td></tr><tr><td style="text-align: center;">c</td></tr></table>
B. c, c
C. <sup>2</sup>
D. c, 2c
E. 0, 1
Answer» B. c, c
486.

What is the value of m in the quadratic equation x

A. <table><tr><td rowspan="2"> </td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>45</center></td></tr><tr><td style="text-align: center;">2</td></tr></table>
B. 16
C. <table><tr><td rowspan="2"> </td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>21</center></td></tr><tr><td style="text-align: center;">2</td></tr></table>
D. <table><tr><td rowspan="2"> </td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>35</center></td></tr><tr><td style="text-align: center;">2</td></tr></table>
Answer» E.
487.

If 1 + x2 represents the redius of circle P and 1 + x = 17,x2x

A. 287
B. 547
C. 574
D. 278
Answer» D. 278
488.

If 3a + 4b = 3a 4b , then 3c + 4d3c 4d

A. ab = cd
B. ad = bc
C. ac = bd
D. a = b = c d
Answer» C. ac = bd
489.

If a = b = c , find the value of (pa + qb + rc). q rr pp q

A. 0
B. 1
C. 2
D. 1
Answer» B. 1
490.

If x = 6pq , then the value of x + 3p + x + 3q is p + qx 3px 3q

A. 6
B. 8
C. 2
D. 3
Answer» D. 3
491.

If ab = 21 and(a + b)2 = 25 then the value of a2 + b2 + 3ab is (a b)24

A. 115
B. 121
C. 125
D. 127
Answer» C. 125
492.

If 4x

A. 2
B. 9
C. 12
D. 10
Answer» C. 12
493.

If x = 5 + 1 and y = 5 1 , then the value of x2 + xy + y2 is 5 1 5 + 1x2 xy + y2

A. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>3</center></td></tr><tr><td style="text-align: center;">4</td></tr></table>
B. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>4</center></td></tr><tr><td style="text-align: center;">3</td></tr></table>
C. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>3</center></td></tr><tr><td style="text-align: center;">5</td></tr></table>
D. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>5</center></td></tr><tr><td style="text-align: center;">3</td></tr></table>
Answer» C. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>3</center></td></tr><tr><td style="text-align: center;">5</td></tr></table>
494.

If a + b + c = 2c, find a + c . a cb c

A. 0
B. 1
C. 2
D. 1
Answer» C. 2
495.

If a + b + c = m and 1 + 1 + 1 = 0, then average of a2,b2 and c2 is abc

A. m
B. <sup>2</sup>
C. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>m<sup>2</sup></center></td></tr><tr><td style="text-align: center;">3</td></tr></table>
D. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>m<sup>2</sup></center></td></tr><tr><td style="text-align: center;">9</td></tr></table>
E. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>m<sup>2</sup></center></td></tr><tr><td style="text-align: center;">27</td></tr></table>
Answer» C. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>m<sup>2</sup></center></td></tr><tr><td style="text-align: center;">3</td></tr></table>
496.

If for non-zero x, x2 4x 1 = 0, the value of x2 + 1 is :x2

A. 12
B. 4
C. 18
D. 10
Answer» D. 10
497.

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

A. 20
B. 10
C. 15
D. 18
Answer» C. 15
498.

If a + b = 2, then the value of (a b) is :ba

A. 1
B. 2
C. 1
D. 0
Answer» E.
499.

If x + 1 = a and 1 y = b , then the value of x y is equal tox 1b1 + ya1 + xy

A. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>2ab</center></td></tr><tr><td style="text-align: center;">a<sup>2</sup> b<sup>2</sup></td></tr></table>
B. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>a<sup>2</sup> b<sup>2</sup></center></td></tr><tr><td style="text-align: center;">2ab</td></tr></table>
C. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>a<sup>2</sup> + b<sup>2</sup></center></td></tr><tr><td style="text-align: center;">2ab</td></tr></table>
D. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>a<sup>2</sup> b<sup>2</sup></center></td></tr><tr><td style="text-align: center;">ab</td></tr></table>
Answer» B. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>a<sup>2</sup> b<sup>2</sup></center></td></tr><tr><td style="text-align: center;">2ab</td></tr></table>
500.

If a = 4 and b = 15 , then 18c2 7a2 is equal tob5c1645c2 + 20a2

A. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td></tr><tr><td style="text-align: center;">3</td></tr></table>
B. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>2</center></td></tr><tr><td style="text-align: center;">5</td></tr></table>
C. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>3</center></td></tr><tr><td style="text-align: center;">4</td></tr></table>
D.
E. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td></tr><tr><td style="text-align: center;">4</td></tr></table>
Answer» E. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td></tr><tr><td style="text-align: center;">4</td></tr></table>