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Mathematics Preparation for MCA Entrance

(515 Posts)

This thread is dedicated to preparation for Mathematics section of MCA Entrance exams like IITJAM, ICET, NIMCET, TANCET and other MCA entrance exams conducted by institutes like Thapar, Pune University, JNU etc. You may share questions related to topics like Differential Calculus, Set Theory and Relations, Binomial Series, Quadratic Equations, Functions and Equations, Sequence/Series, Exponential and Logarithmic Series, Statistics, Modern Algebra, Co-Ordinate Geometry, Trigonometry, Integral Calculus, Complex Numbers, Matrices and Determinants, Vectors, 3-D Geometry, Permutation and Combination, Probability etc.

Question should not exceed 100 characters.Use add options for multiple choice questions and "Uploadimage/Add related data" for passage text papers.
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Vishal Srivastav
Shared from NIMCET Mock - 2 on Jun 25, 2020 2:07 PM

is equal to

 
0
None of these
Please type your answer before submitting.

In second last step, there is an error, solution does not include '2' that is associated with sqrt x, the answer should be 1/4 and not 1/8.

Siman Parveen
Shared from BHU 2011 on Mar 31, 2020 8:22 PM

If is the scalar triple product of three vectors , and , then is equal to

 
[]
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Can any one tell how option B is the correct answer????we all know...[ a b c ]=[ b c a ] then how [ a b c ]=[ c b a ]

Gurmeet Singh
Shared from NIMCET - 2008 on Mar 29, 2020 3:18 PM

Suppose a, b, c are in A.P. with common difference d. Then e1/c, eb/ac, e1/a are in

 
A.P.
G.P.
H.P.
None of these
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In que it is given a,b,c are in A.P then how could u take numbers of G.P?

Kiran Dixit
Shared from Sequence and Series - 1 on Mar 28, 2020 7:42 PM

If = 7, then the value of 'n' is

 
35
10
37
None of these
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I didnt get the solution how come

Francis Ezeonyebuchi
Shared from Mathematics (Competitive) on Mar 22, 2020 1:09 AM

If cos-1 x + cos-1 y = 2π, then the value of sin-1 x + sin-1 y is

 
0
-
None of these
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How many of you got 50/50