We are here with you hands in hands to facilitate your learning & don't appreciate the idea of copying or replicating solutions. Read More>>

www.vustudents.ning.com

 www.bit.ly/vucodes + Link For Assignments, GDBs & Online Quizzes Solution www.bit.ly/papersvu + Link For Past Papers, Solved MCQs, Short Notes & More

Dear Students! Share your Assignments / GDBs / Quizzes files as you receive in your LMS, So it can be discussed/solved timely. Add Discussion

# Quiz No. 2

Dear Students!

-- Quiz No. 2 will start from November 30, 2015 12:00 AM. You can take the quiz at any time before 11:59 PM on December 2, 2015.

-- Quiz No. 2 will be from Lecture # 9 to 15.

-- Take the quiz before the due date.

-- No date will be extended. You have 3 days to attempt the quiz.

-- Any student who would take quiz on last date and fail to take quiz due to LMS problem or the load shedding would not be given the rescheduled quiz. So take quiz as soon as possible before the last date.

+ How to Join Subject Study Groups & Get Helping Material?

+ How to become Top Reputation, Angels, Intellectual, Featured Members & Moderators?

+ VU Students Reserves The Right to Delete Your Profile, If?

Views: 1330

.

+ http://bit.ly/vucodes (Link for Assignments, GDBs & Online Quizzes Solution)

+ http://bit.ly/papersvu (Link for Past Papers, Solved MCQs, Short Notes & More)

### Replies to This Discussion

Please all students related this subject Share your online Quizzes here to help each other.thanks

Please share the question and their answers of this quiz if anyone has done.
Thanks.

Today Latest Quizz
Shared By a Student.
2 Dec 2015, 10:50pm

1_The mixed 2nd order partial derivatives of z=xy is equal to

xy(sure)

2_ Scalar Triple Product of vectors A=[1,0,0], B=[0,1,0] and C=[0,0,1] is---------
1  (not sure)

3_ The order of differentiation in an nth order partial derivative can be change without affecting the final result whenever the function and all its partial derivatives of order less than or equal to 'n' are ----------.
differentiable (not sure)

4_ Let f(x,y)be a function with continuous second order partial derivatives in some circle centered at a critical point(

x0,y0) and,letD=fxx(x0,y0)fyy(x0,y0)[fxy(x0,y0)]2

IfD=0,then

f(x,y)has a saddle point at (x0,y0). (not sure)

5_ Geometrically the magnitude of Scalar Triple Product gives the------------.
Volume of Parallelepiped (sure)

6_Value of money is an example of -------- quantity
Scalar (sure)

7_ Let f(x,y)be a function with continuous second order partial derivatives in some circle centered at a critical point
(x0,y0) and,letD=fxx(x0,y0)fyy(x0,y0)[fxy(x0,y0)]2 IfD>0andfxx(x0,y0)>0,then
f(x,y)has a saddle point at (x0,y0). (not sure)

8_ Two vectors of magnitudes [4,5] making an angle of 30degree, then the area of parallelogram associated with these two vectors is --------- square units.

9_
For the function z=f(x,y),the totaldifferentialdzis equal to

10_ If the velocity (V1) of a car is 20m/s eastward and velocity (V2) of bike is 40m/s northward then which of the following would be the dot product of these velocities?
-800 (sure)

مَلیکا ایمان 1  thanks for sharing

stay blessed sir.

If two dogs are pulling a bone with force=20Newtons in opposite direction, then the resultant force is———
Select correct option:

1. 40 Newton
2. -40 Newton
3. -20 Newton
4. Zero Newton

### Question

Magnitude of the Force vector: F = -30Newton, is ————.
Select correct option:

1. 30 Newton
2. -30 Newton

### Question

Cross product of equal and opposite non-zero vectors (parallel or anti-parallel) is a——.
Select correct option:

1. Zero vector
2. Zero scalar

### Question

A zero vector has magnitude equal to zero and makes an angle of ———- degree with x-axis.
Select correct option:

1. Arbitrary
2. Only zero
3. 90
4. 180

### Question

The surface:z=f(x,y) neither falls nor rises(decreases or increases) at any point in the ——of Gradient(z).
Select correct option:

1. Direction
2. Opposite to the direction
3. Direction perpendicular to
4. Arbitrary direction

### Question

Length or magnitude of a unit vector is——–.
Select correct option:

1. 0
2. 1 Correct

### Question

Scalar Triple Product of vectors A=[1,0,0], B=[0,1,0] and C=[0,0,1] is———
Select correct option:

1. 3 Correct
2. -1
3. 1
4. 0

### Question

If the velocity (V1) of a car is 20m/s eastward and velocity (V2) of bike is 40m/s northward then which of the following would be the dot product of these velocities?
Select correct option:

1. 800
2. Zero
3. -800
4. 2

### Question

Value of money is an example of ——– quantity
Select correct option:

1. Scalar
2. Vector

### Question

Two vectors of magnitudes [4,5] making an angle of 30degree, then the area of parallelogram associated with these two vectors is ——— square units.
Select correct option:

1. 10*Sqrt(3)
2. 10
3. 20*Sqrt(2) not sure
4. 10*Sqrt(2)

## Latest Activity

+ ! ! ! ! ! UnkNowN updated their profile
18 minutes ago
Hamza khalid, sanni khan, Ali khan and 3 more joined Virtual University of Pakistan
20 minutes ago
21 minutes ago
24 minutes ago
A.B !!!AWAN!!! posted a discussion

### happy brthday

28 minutes ago
A.B !!!AWAN!!! liked Esha mirza's blog post painful moment........
29 minutes ago
A.B !!!AWAN!!! liked Hayat's blog post meri zindagi
29 minutes ago
A.B !!!AWAN!!! liked Zainab Mughal's blog post LAMBA DHAGA AUR LMBI ZUBAN
29 minutes ago
A.B !!!AWAN!!! liked Ittequa Ahmed's blog post No Title
30 minutes ago
A_Q added a discussion to the group ECO302 Principles of Microeconomics

50 minutes ago
54 minutes ago
58 minutes ago

1

2

3