Recent questions tagged exercise7-4

In how many ways can a student choose a programme of 5 courses if 9 courses are available and 2 courses are compulsory for every student.

asked May 14, 2014 by sreemathi.v

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A bag contains 5 black and 6 red balls.Determine the number of ways in which 2 black and 3 red balls can be selected

asked May 14, 2014 by sreemathi.v

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Determine the number of 5 cards combination out of a deck of 52 cards if there is exactly one ace in each combination

asked May 14, 2014 by sreemathi.v

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Find the number of ways of selecting 9 balls from 6 red balls,5 white balls and 5 blue balls if each selection consists of 3 balls of each colour.

asked May 14, 2014 by sreemathi.v

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In how many ways can a team of 3boys and 3 girls be selected from 5 boys and 4 girls?

asked May 14, 2014 by sreemathi.v

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How many chords can be drawn through 21 points on a circle?

asked May 14, 2014 by sreemathi.v

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Determine $n$ if $2nC_3 : nC_3=11 : 1$

asked May 14, 2014 by sreemathi.v

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Determine $n$ if $2nC_3 : nC_2=12 : 1$

asked May 14, 2014 by sreemathi.v

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If $nC_8=nC_2$ Find $nC_2$

asked May 14, 2014 by sreemathi.v

1 answer

The area of the region bounded by the curve $xy=1, x$-axis$\;x=1.$ Find the volume of the solid generated by revolving the area mentioned about $x$-axis.

asked Apr 30, 2013 by poojasapani_1

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Derive the formula for the volume of a right circular cone with radius $'r'$ and height $'h'$.

asked Apr 30, 2013 by poojasapani_1

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Find the volume of the solid that results when the region enclosed by the given curve: $(11$$to14)$$\large\frac{x^{2}}{a^{2}}+\frac{y^{2}}{b^{2}}=1$ is revolved about major axis $a>b>0.$

asked Apr 30, 2013 by poojasapani_1

1 answer

Find the volume of the solid that results when the region enclosed by the given curve: $\;y=x^{3},x=0,y=1$ is revolved about the $y$-axis.

asked Apr 30, 2013 by poojasapani_1

1 answer

Find the volume of the solid that results when the region enclosed by the given curve: $(11$$to14)$ $2ay2=x(x-a)2$ is revolved about $x$-axis ,$a>0$

asked Apr 28, 2013 by poojasapani_1

1 answer

Find the volume of the solid that results when the region enclosed by the given curve: $(11$$to14)$$y=1+x^{2},x=1,x=2,y=0$ is revolved around the $x$- axis.

asked Apr 28, 2013 by poojasapani_1

1 answer

Find the area of the circle whose radius is $a$ .

asked Apr 28, 2013 by poojasapani_1

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Find the common area enclosed by the parabolas $4y^{2}=9x$ and $3x^{2}=16y$

asked Apr 28, 2013 by poojasapani_1

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Find the area of the region bounded by the parabola $y^{2}=4x$ and the line $2x-y=4$

asked Apr 28, 2013 by poojasapani_1

1 answer

Find the area of the region bounded by the ellipse $\large\frac{x^{2}}{9}+\frac{y^{2}}{5}$$=1$ between the two latus rectums.

asked Apr 27, 2013 by poojasapani_1

1 answer

Find the area included between the parabola $y^{2}=4ax $ and its latus rectum.

asked Apr 27, 2013 by poojasapani_1

1 answer

Find the area of the region bounded $x^{2}=36y , y$-axis,$y=2$ and $y=4$

asked Apr 27, 2013 by poojasapani_1

1 answer

Find the area of the region bounded by the curve $y=3x^{2}-x$ and the $x$-axis between $x=-1$ and $x=1$

asked Apr 27, 2013 by poojasapani_1

1 answer

Find the area of the region bounded by the lines $y=x-5 $ and $x$-axis between the ordinates $x=3$ and $x=7$

asked Apr 27, 2013 by poojasapani_1

1 answer

Find the area of the region bounded by the lines $x-2y-12=0 $ and $y$-axis,$y=-1$ and $y=-3$

asked Apr 27, 2013 by poojasapani_1

1 answer

Find the area of the region bounded by the lines $x-2y-12=0 $ and $y$-axis,$y=2$ and $y=5$

asked Apr 27, 2013 by poojasapani_1

1 answer

Find the area of the region bounded by the lines $x-y=1 $ and $x$-axis,$x=-2$ and $x=0$

asked Apr 27, 2013 by poojasapani_1

1 answer

Find the area of the region bounded by the lines $x-y=1 $ and $x$-axis,$x=2$ and $x=4$

asked Apr 27, 2013 by poojasapani_1

1 answer

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