IIT JEE / PMT Module Test 3 : +2 Mathematics : Matrices n Determinants

Normal type of MCQ with one correct option The number of all possible matrices of order 3 × 3 with each entry 0 or 1 is
18
512
81
none of these
Normal type of MCQ with one correct option A square matrix A is called idempotent if
A2 = I
A2 = O
2A = I
A2 = A

an invertible matrix
an idempotent matrix
a nilpotent matrix
none of these
Normal type of MCQ with one correct option If A and B are symmetric matrices of the same order, then
AB is symmetric matrix
A(B is a skew-symmetric matrix
AB + BA is a symmetric matrix
AB ( BA is a symmetric matrix
/
A,B
B
C,D
A,B & D

(a2+b2c2)
(ab+bc+ac)
a2+b2 - c2
(a-c)(b-c).
/
A
B
C
A+B+C

2
-2
4
-4

Both A and R are true and R is correct explanation of A
Both A and R are true and R is not correct explanation of A
A is true, R is false
A is false, R is true

Description:

Brilliant Institute of Advance Studies, Chandigarh offers a complete test series for IIT JEE and PMT preparation for FREE at WiZiQ.com. This series constitutes 11 modules of each subjects +1 and +2 of all subjects Physics, Chemistry, Mathematics and Biology. The pattern of each test comprises all the types of objective questions of IIT JEE and AIPMT (MCQ with one or more correct option, Comprehension, Assertion-Reason, Match Matrix etc). This is the FREE Module test 3 of +2 Mathematics; the covered chapter is Matrices n Determinants. Keep checking for Exclusive Paid Test series for IIT JEE and AIPMT from us at a very nominal cost at WiZiQ.com Happy Learning; all the best!

Discussion

Vidhi Shah

I did not understand how it done........... Plz explain???????

1091 days 1 hours 24 minutes ago

manjot

what is idempotent??

1450 days 15 hours 35 minutes ago

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