General Math Questions with Answers
If (m + 1) = √n + 3, the value of $${1\over 2}\left({m^3-6m^2+12m-8\over \sqrt { n}}-n \right) \ $$ is
(A) 0
(B) 1
(C) 2
(D) 3
Correct Answer : A
If $${{p^2\over q^2}+{q^2\over p^2}}=1$$, then the value of (p6 + q6 ) is
(A) 0
(B) 1
(C) 2
(D) 3
Correct Answer : A
If a + b – c = 0 then the value of 2b2c2 + 2c2a2 + 2a2b2 –a4 – b4 – c4
(A) 7
(B) 0
(C) 14
(D) 28
Correct Answer : B
$$4a-{4\over a}+3=0$$ then the value of : $$ a^3-{1\over a^3}+3=?$$
(A) $$3\over 16$$
(B) $$7\over 16$$
(C) $$21\over 24$$
(D) $$21\over 16$$
Correct Answer : C
If x2 + y2 + z2 = 2 (x + z – 1), then the value of : x3 + y3 + z3 = ?
(A) 2
(B) 0
(C) -1
(D) 1
Correct Answer : A
The HCF of x8 – 1 and x4 + 2x3 – 2x – 1 is :
(A)
x2 + 1
(B)
x2 – 1
(C)
x + 1
(D)
x – 1
Correct Answer : D
if $${{x^{24}+1}\over x^{12}}=7$$ then the value of $${{x^{72}+1}\over x^{36}}$$ is
(A) 433
(B) 322
(C) 343
(D) 432
Correct Answer : B
If x = 2 then the value of x3 + 27x2 + 243x + 631 is
(A) 1233
(B) 1211
(C) 1231
(D) 1321
Correct Answer : A
Given that x3 + y3 = 72 and xy = 6 with x > y. Then the value of (x – y) is
(A) 4
(B) – 4
(C) 2
(D) –2
Correct Answer : C
If x = 332, y = 333, z = 335, then the value of x3 + y3 + z3 – 3xyz is
(A) 10000
(B) 7000
(C) 8000
(D) 9000
Correct Answer : B
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Rajesh Bhatia
A Writer, Teacher and GK Expert. I am an M.A. & M.Ed. in English Literature and Political Science. I am highly keen and passionate about reading Indian History. Also, I like to mentor students about how to prepare for a competitive examination. Share your concerns with me by comment box. Also, you can ask anything at linkedin.com/in/rajesh-bhatia-7395a015b/.
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