POLYCET,TGRJC MATHS PREVIOUS MCQ TEST-4

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1/10

\(logtan1^ \circ\)+\(logtan2^\circ\)+\(logtan3^ \circ\)+...........+\(logtan89^\circ\)=

1)0

2)\(logtan90^\circ\)

3)1

4)\(-\frac{1}{3}\)

2/10

If \(\alpha\) and \(\beta\) are the zeroes of \(x^2-p(x+1)-c\) then \((\alpha+1)(\beta+1)\)=

1)\( p^2+2p+2c \)

2)\(-( 1+\frac{c}{p}) \)

3)1-c

4)p

3/10

If \(log^{(5x^2-6x)}_\sqrt{2}\)=2 then x=

1)\(\frac{4\pm\sqrt{5}}{6} \)

2)\(\frac{-4\pm\sqrt{5}}{6} \)

3)\(\frac{3\pm\sqrt{19}}{5} \)

4)\(\frac{-3\pm\sqrt{17}}{5} \)

4/10

If \({( \sqrt[3]{4} )}^{2x + \frac{1}{2}}\) = \(\frac{1}{32}\) then the value of x

1)4

2)-4

3)2

4)-2

5/10

The distance between two points where the graph of \(p(x)=x^2-3x-4\) intersects the X-axis is .....units

1)2

2)3

3)4

4)5

6/10

If (3,9) is a point on the line 2ax-3y=5 then the value of a=

1)5

2)\(\frac{3}{14}\)

3)\(\frac{16}{3}\)

4)\(\frac{-2}{5}\)

7/10

Which term of the A.P 3,10,17....will be 84 more than its 13th term

1)21

2)23

3)27

4)25

8/10

If \( tan \theta +sin \theta=p \) and \( tan \theta -sin\theta=q\) then \(p^2-q^2\)=

1) \(16\sqrt{pq} \)

2) \(4\sqrt{pq} \)

3)16pq

4)4pq

9/10

If \(n(A-B)\)=16,\(n(B-A)\)=10,\(n( A \cap B )\)=5 then \((A \cup B )\)=

1) 16

2) 10

3) 31

4)15

10/10

If sum of squares of the zeroes of the polynomial \( f(x)=x^2-8x+k\) is 40 then value of k is

1)10

2)16

3)14

4)12

Result: