question 1 of 10
(x/a) + (y/b) = 1 represents a straight line. Pick the correct statement.
a and b are the intercepts with x and y axis respectively
A
a and b are slopes of the lines respectively
B
a and b are points on the straight line
C
a and b are the intercepts with y and x axis respectively
D
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question 2 of 10
If eccentricity e =1, the corresponding conic is
None of the other options
A
hyperbola
B
ellipse
C
Circle
D
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question 3 of 10
`3p -6 >p +12` . On multiplying by -5
None of the other options
A
-15p + 30 > -5p -60
B
-15p + 30 < -5p -60
C
-15p - 6 > -5p +12
D
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question 4 of 10
If the centroid of a triangle ABC is ( 1,1,1) and the points A and B are (3,-5,7) and (-1,7,-6) respectively, then the point C is
( 2,-2,1)
A
(2,1,2)
B
(1,1,2)
C
(1,1,-2)
D
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question 5 of 10
What is the method that is used to reduce the difficulty in calculating the Standard deviation and variance for large values
Assumed Mean method
A
None of the other options
B
Quartile method
C
Step deviation method
D
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question 6 of 10
`re^iθ`
`Cos θ - i sin θ`
A
`Cos θ + i sin θ`
B
None of the other options
C
`r( cos θ + sin θ)`
D
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question 7 of 10
` n C _n `
0
A
None of the other options
B
nC₀
C
nCₙ₋₁
D
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question 8 of 10
`d/dx( log 5x)`
`5/5x`
A
`5x /5`
B
`(5/5x) +c`
C
`1/5x`
D
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question 9 of 10
Which of the following is not a formula for `cos 2x =`
`Cos^2 x -Sin^2 x `
A
`2 sin x cos x`
B
`1 -2sin ^2 x`
C
`2 cos ^2 x -1 `
D
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question 10 of 10
Two sets A and B are said to be equal, if
n(A U B ) = n(A) + n(B)
A
None of the other options
B
If the number of the elements in both the sets are same
C
If both the sets have exactly the same elements
D
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