Explore topic-wise MCQs in ALGEBRA.

This section includes 30 Mcqs, each offering curated multiple-choice questions to sharpen your ALGEBRA knowledge and support exam preparation. Choose a topic below to get started.

1.

If x = 2 then the value of x3 + 27x2 + 243x + 631 is:

A. 1211
B. 1231
C. 1233
D. 1321
Answer» D. 1321
2.

If ab + bc + ca = 0, then the value of {1 / (a2 – bc)} +{1 / (b2 – ac)} +{1 / (c2 – ab)} is

A. 2
B. –1
C. 0
D. 1
Answer» D. 1
3.

If x + (1 / x) = 5, then {2x / (3x2 – 5x + 3)} is equal to

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

If x = 332, y = 333, z = 335 then the value of x3+ y3+ z3– 3xyz = ?

A. 1000
B. 9000
C. 7000
D. 65000
Answer» D. 65000
5.

When 2x + (2 / x) = 3, then value of x3 + ( 1 / x3) + 2 is

A. 2 / 7
B. 7 / 8
C. 7 / 2
D. 8 / 7
Answer» C. 7 / 2
6.

If x = 6 + (1 / x), then the value of x4 + (1 / x4) is

A. 1448
B. 1442
C. 1444
D. 1446
Answer» C. 1444
7.

If x2 – 3x + 1 = 0, then the value of (x6 + x4 + x2 +1) / x3 will be

A. 18
B. 15
C. 21
D. 30
Answer» D. 30
8.

If x3 + (3 / x) = 4(a3 + b3) and 3x + (1 / x3) = 4(a3 – b3), then a2 – b2 is equal to:

A. 4
B. 0
C. 1
D. 2
Answer» D. 2
9.

If x + (1 / x) = 5, then the value of x6 + (1 / x6) is

A. 12098
B. 12048
C. 14062
D. 12092
Answer» B. 12048
10.

If x + y = 15, then (x – 10)3+ (y – 5)3is

A. 25
B. 125
C. 625
D. 0
Answer» E.
11.

If a + b + c = 0, then the value of (a + b – c)2+ (b + c – a)2+ (c + a – b)2is

A. 0
B. 8 abc
C. 4(a2+ b2+ c2)
D. 4(ab + bc + ca)
Answer» D. 4(ab + bc + ca)
12.

If x = p + (1 / p) and y = p – (1 / p) then the value of x4 – 2x2y2 + y4 is

A. 24
B. 4
C. 16
D. 8
Answer» D. 8
13.

If p3+ 3p2+ 3p = 7, then the value of p2+ 2p is

A. 4
B. 3
C. 5
D. 6
Answer» C. 5
14.

If x = 2015, y = 2014 and z = 2013, then value ofx2+ y2+ z2– xy – yz – zx is

A. 3
B. 4
C. 6
D. 2
Answer» B. 4
15.

If x + (1 / x) = 3, then the value of (3x2 – 4x + 3) / (x2 – x + 1) is

A. 4 / 3
B. 3 / 2
C. 5 / 2
D. 5 / 3
Answer» D. 5 / 3
16.

If x + (1 / 2x) = 2, find the value of 8x3 + (1 / x3).

A. 48
B. 88
C. 40
D. 44
Answer» D. 44
17.

The expression x4– 2x2+ k will be a perfect square when the value of k is

A. 2
B. 1
C. –1
D. –2
Answer» C. –1
18.

If x + (1 / x) = 99, find the value of {100x / (2x2 + 102x + 2)}

A. 1 / 6
B. 1 / 2
C. 1 / 3
D. 1 / 4
Answer» D. 1 / 4
19.

If x = 1 / (√2 + 1) then (x + 1) equals to:

A. 2
B. (√2 + 1)
C. (√2 – 1)
D. √2
Answer» E.
20.

If x = 2 then the value of x3+ 27x2+ 243x + 631 is:

A. 1211
B. 1231
C. 1233
D. 1321
Answer» D. 1321
21.

If {x2 + (1 / x2)} = 17 / 4, then what is {x3 – (1 / x3)} equal to?

A. 75 / 16
B. 63 / 8
C. 95 / 8
D. None of these
Answer» C. 95 / 8
22.

Consider the following statements I. x + 3 is the factor of x3+ 2x2+ 3x + 8. II. x – 2 is the factor of x3+ 2x2+ 3x + 8. Which of the statements given above is/are correct?

A. Only I
B. Only II
C. Both I and II
D. Neither I nor II
Answer» E.
23.

What is {(x2 + y2) (x – y) – (x – y)3} / (x2y – xy2) equal to?

A. 1
B. 2
C. 4
D. –2
Answer» C. 4
24.

If the expression x3+ 3x2+ 4x + k has a factor x + 5, then what is the value of k?

A. –70
B. 70
C. 48
D. –48
Answer» C. 48
25.

The quantity which must be added to (1 – x) (1 + x2)to obtain x3is:

A. 2x3+ 3x2+ x + 1
B. 2x3+ x2+ x – 1
C. 2x3– x2+ x – 1
D. –x2+ x – 1
Answer» D. –x2+ x – 1
26.

If x - (1 / x) = √5 than √x (√x – 1) = ?

A. √5 / 2
B. 10√5
C. 1
D. √5 / 4
Answer» D. √5 / 4
27.

If {(a2 + b2 + c2) / ( a2 – b2 – c2)} + {(b2 + c2 + a2) / b2 – c2–a2)} + {(c2 + a2 +b2) / (c2 – a2 –b2)} = ?

A. 0
B. 1
C. 3
D. – 1
Answer» B. 1
28.

If (a28+ 1) / a14= 23 than (a42+ 1) / a21= ?

A. 110
B. 23
C. 52
D. 69
Answer» B. 23
29.

If x = √3 + √4 + √5 than x4 – 8x3 + 8x2 + 32x = ?

A. 36
B. 29
C. 44
D. 52
Answer» D. 52
30.

{(x2– y2)2/ (1 – x2)(y2– 1)} + {(1–x2)2/ (x2–y2) (y2– 1)} + {(y2– 1)2/ (x2– y2) (y2– 1) = ?

A. 0
B. 1
C. 2
D. 3
Answer» E.