Mathematics Test 174

Result

Mathematics Test 174

Score
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Rank
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Weekly Quiz Competition

Question 1
4 / -1

A

B

C

D

Solution
Question 2
4 / -1

A

B

C

D

Solution
Question 3
4 / -1

The cost and revenue functions of a product are given by C(x) =2x + 80 and R(x) = 5x + 20 respectively, where x is the number of items produced by the manufacture. How many items the manufacturer must sell to realize some profit?

A
more than 20

B
more than or equal to 20

C
more than 25

D
None of these

Solution
Question 4
4 / -1

A tea party is arranged for 16 people along two sides of a large table with 8 chairs on each side. Four men want to sit on one particular side and two on the other side. The number of ways in which they can be seated is

A

B

C

D

Solution
Question 5
4 / -1

A

B

C
2ⁿ

D

Solution
Question 6
4 / -1

A

B

C

D

Solution
Question 7
4 / -1

If the image of point P(2, 3) in a line L is Q(4, 5), then the image of point R(0, 0) in the same line is

A
(2, 2)

B
(4, 5)

C
(3, 4)

D
(7, 7)

Solution
Question 8
4 / -1

If a circle passes through the point (a, b) and cuts the circle x² + y² = 4 orthogonally, then the locus of its centre is

A

B

C

D

Solution
Question 9
4 / -1

A

B

C

D

Solution
Question 10
4 / -1

The contrapositive of the statement, ' If I do not secure good marks then I cannot go for engineering', is

A
if I secure good marks, then I go for engineering

B
if I go for engineering then I secure good marks

C
if I cannot go for engineering then I do not secure good marks

D
None of these