Mathematics Test 173

Result

Mathematics Test 173

Score
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Rank
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Weekly Quiz Competition

Question 1
4 / -1

The curve described parametrically by x = 2 – 3 sec t, y = 1 + 4 tan t represents:

A
An ellipse centred at (2, 1) and of eccentricity 3/5

B
A circle centred at (2, 1) and of radius 5 units

C
A hyperbola centred at (2, 1) & of eccentricity 8/5

D
A hyperbola centred at (2, 1) & of eccentricity5/3

Solution
Question 2
4 / -1

is equal to

A

B

C

D

Solution
Question 3
4 / -1

A
a

B
b

C
c

D
d

Solution
Question 4
4 / -1

If the variable takes values 0,1, 2, 3, ..., n with frequencies proportional to respectively, the variance is

A

B

C

D

Solution
Question 5
4 / -1

A
1/2

B
1/3

C
1/4

D
1/6

Solution
Question 6
4 / -1

A
f is one-one onto

B
f is one-one into

C
f is many-one onto

D
f is many-one into

Solution
Question 7
4 / -1

If 0 < a < b < c, then

A
0

B
1

C
2

D
None of these

Solution
Question 8
4 / -1

A

B

C

D

Solution
Question 9
4 / -1

A
a

B
b

C
c

D
d

Solution
Question 10
4 / -1

A
(1,4)

B

C

D
None of these

Solution