Mathematics Test 189

Result

Mathematics Test 189

Score
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Weekly Quiz Competition

Question 1
4 / -1

The equation of one of the common tangents to the parabola

A

B

C

D
None of these

Solution
Question 2
4 / -1

A
1/n

B
n-1/n

C
n+1/n

D
None of these

Solution
Question 3
4 / -1

A

B

C

D

Solution
Question 4
4 / -1

The first of two samples has 100 items with mean 15 and SD 3. If the whole group has 250 items with mean 15.6 and the SD of the second group is

A
5

B
4

C
6

D
3.52

Solution
Question 5
4 / -1

A natural number x is chosen at random from the first 100 natural numbers. Then the probability, for the equation 50 to be true is

A
1/(20)

B
11/20

C
1/(3)

D
3/(20)

Solution
Question 6
4 / -1

A
d = a

B
a = b = c = d = 1

C
a = b = 1

D
d = –a

Solution
Question 7
4 / -1

A

B

C

D

Solution
Question 8
4 / -1

A
O

B

C

D
A + B

Solution
Question 9
4 / -1

A
PQ

B
QAP

C
PAQ

D

Solution
Question 10
4 / -1

and given that F (5) = 5, then F (10) is equal to –

A
5

B
10

C
0

D
15

Solution