initial commit / add all books

30 files changed, 311 insertions, 0 deletions

diff --git a/1553/CH25/EX25.1/25Ex1.sce b/1553/CH25/EX25.1/25Ex1.sce
new file mode 100644
index 000000000..c95b68f01
--- /dev/null
+++ b/1553/CH25/EX25.1/25Ex1.sce
@@ -0,0 +1,11 @@
+//Chapter 25, Ex1

+clc;

+clear;

+close;

+l=16; b=14; h=7;      //given

+volume=l*b*h;

+surface_area=[2*((l*b)+(b*h)+(l*h))];

+//disp("cubic meter",volume,"The volume is:")

+//disp("cubic centimeter",surface_area,"The surface area is:");

+printf("The volume is %d cubic meter",volume);

+printf("\n The surface area is %d cubic centimeter",surface_area);

diff --git a/1553/CH25/EX25.10/25Ex10.sce b/1553/CH25/EX25.10/25Ex10.sce
new file mode 100644
index 000000000..d59581f5d
--- /dev/null
+++ b/1553/CH25/EX25.10/25Ex10.sce
@@ -0,0 +1,10 @@
+//Chapter 25 Ex 10

+

+clc;

+close;

+clear;

+scube=15; lvessel=20; bvessel=15;    //all in cemtimeter

+volcube=(scube)^3;

+areavessel=lvessel*bvessel;

+rise=volcube/areavessel;

+mprintf("The rise in water level is %.2f cm",rise);

diff --git a/1553/CH25/EX25.11/25Ex11.sce b/1553/CH25/EX25.11/25Ex11.sce
new file mode 100644
index 000000000..608ebb4cd
--- /dev/null
+++ b/1553/CH25/EX25.11/25Ex11.sce
@@ -0,0 +1,14 @@
+//Chapter 25 Ex 11

+

+clc;

+close;

+clear;

+scube1=1; scube2=6; scube3=8;     //all in centimeter

+vol1=(scube1)^3;

+vol2=(scube2)^3;

+vol3=(scube3)^3;

+volnew=vol1+vol2+vol3;

+newedge=nthroot(volnew,3);

+facearea=(newedge)^2;

+surarea=6*facearea;

+mprintf("The surface area of the new cube is %.0f square centimeters",surarea);

diff --git a/1553/CH25/EX25.12/25Ex12.sce b/1553/CH25/EX25.12/25Ex12.sce
new file mode 100644
index 000000000..3ff691bac
--- /dev/null
+++ b/1553/CH25/EX25.12/25Ex12.sce
@@ -0,0 +1,12 @@
+//Chapter 25 Ex 12

+

+clc;

+close;

+clear;

+//let the original length of edge a=1

+edge=1; inc=50/100;

+surorg=6*(edge^2);

+newedge=(1+inc)*edge;

+surnew=6*(newedge^2);

+incsurarea=((surnew-surorg)/surorg)*100;

+mprintf("The percentage increase in surface area is %d percent",incsurarea);

diff --git a/1553/CH25/EX25.14/25Ex14.sce b/1553/CH25/EX25.14/25Ex14.sce
new file mode 100644
index 000000000..b6eeef7af
--- /dev/null
+++ b/1553/CH25/EX25.14/25Ex14.sce
@@ -0,0 +1,11 @@
+//chapter 25 Ex 14

+clc;

+clear;

+close;

+d=7;    //given diameter

+r=d/2;

+h=40;   //given height

+vol=(22/7)*r^2*h; 

+curved_area=2*(22/7)*r*h;

+Total_area=(2*(22/7)*r*h)+(2*(22/7)*r^2);

+printf("Volume= %d cubic cm\n Curved Surface area= %d square cm\n Total surface area= %d square cm",vol,curved_area,Total_area);

diff --git a/1553/CH25/EX25.15/25Ex15.sce b/1553/CH25/EX25.15/25Ex15.sce
new file mode 100644
index 000000000..90e024e68
--- /dev/null
+++ b/1553/CH25/EX25.15/25Ex15.sce
@@ -0,0 +1,9 @@
+//Ch25_Ex 15

+clc;

+clear;

+close;

+vol=1848; 

+diameter=14; 

+radius=diameter/2;

+h= vol/(%pi*radius^2);

+mprintf("The depth of tank is %.0f meter",h);

diff --git a/1553/CH25/EX25.16/25Ex16.sce b/1553/CH25/EX25.16/25Ex16.sce
new file mode 100644
index 000000000..6d7441570
--- /dev/null
+++ b/1553/CH25/EX25.16/25Ex16.sce
@@ -0,0 +1,9 @@
+//Ch25_Ex16

+clc;

+clear;

+close;

+vol=2.2/1000; //converting into cubic meter

+d=0.5/100;    //diameter in meter

+r=d/2;        //radius

+h=vol/(%pi*r^2);

+mprintf("The length of wire is %.0f meter",h);

diff --git a/1553/CH25/EX25.17/25Ex17.sce b/1553/CH25/EX25.17/25Ex17.sce
new file mode 100644
index 000000000..a8ca27111
--- /dev/null
+++ b/1553/CH25/EX25.17/25Ex17.sce
@@ -0,0 +1,11 @@
+//Ch25_Ex17

+clc;

+clear;

+close;

+vol=0.88;

+l=7; //length

+d=2/100; //diameter converting into centimeter

+r=d/2;

+volRod=%pi*r^2*l;

+noRods=vol/volRod; //number of rods

+mprintf("The number of rods made are %.0f",noRods);

diff --git a/1553/CH25/EX25.19/25Ex19.sce b/1553/CH25/EX25.19/25Ex19.sce
new file mode 100644
index 000000000..b12aec253
--- /dev/null
+++ b/1553/CH25/EX25.19/25Ex19.sce
@@ -0,0 +1,12 @@
+//Ch25_Ex19

+clc;

+clear;

+close;

+vol=1; w=21/1000; //weight converted into kilogram

+l=1*100; r=3/2; //since diameter=3cm 

+t=1; //thickness of metal

+innerR=r; //inner radius

+outerR=innerR+t; //outer radius

+volIron= %pi*outerR^2*l-%pi*innerR^2*l;

+weightPipe=volIron*w;

+mprintf("The weight of the pipe is %.1f kg",weightPipe);

diff --git a/1553/CH25/EX25.2/25Ex2.sce b/1553/CH25/EX25.2/25Ex2.sce
new file mode 100644
index 000000000..4d35db713
--- /dev/null
+++ b/1553/CH25/EX25.2/25Ex2.sce
@@ -0,0 +1,8 @@
+//Chapter 25 Ex 2

+

+clc;

+close;

+clear;

+long=12; breadth=8; height=9;   //all in meters

+ldia=sqrt(long^2+breadth^2+height^2);

+mprintf("The length of longest pole is %d meters",ldia);

diff --git a/1553/CH25/EX25.20/25Ex20.sce b/1553/CH25/EX25.20/25Ex20.sce
new file mode 100644
index 000000000..8749ee297
--- /dev/null
+++ b/1553/CH25/EX25.20/25Ex20.sce
@@ -0,0 +1,10 @@
+//Ch25_Ex20

+clc;

+clear;

+close;

+r=21; h=28;

+slantH=sqrt(r^2+h^2); //slant height

+vol=(1/3)*(22/7)*r^2*h;

+curvedArea=(22/7)*r*slantH;

+totalArea=curvedArea+(22/7)*r^2;

+mprintf("Slant Height= %.0f cm\n Volume= %.0f cubic cm\n Curved Surface area= %.0f square cm\n Total surface area= %.0f square cm",slantH,vol,curvedArea,totalArea);

diff --git a/1553/CH25/EX25.21/25Ex21.sce b/1553/CH25/EX25.21/25Ex21.sce
new file mode 100644
index 000000000..f0cdb3bbe
--- /dev/null
+++ b/1553/CH25/EX25.21/25Ex21.sce
@@ -0,0 +1,10 @@
+//Ch25_Ex21

+clc;

+clear;

+close;

+

+r=7; h=24; w=1.25;

+l=sqrt(h^2+r^2);

+area=%pi*r*l;

+lengthCanvas=area/w;

+mprintf("The length of canvas is %.0f meter",lengthCanvas);

diff --git a/1553/CH25/EX25.22/25Ex22.sce b/1553/CH25/EX25.22/25Ex22.sce
new file mode 100644
index 000000000..af547237f
--- /dev/null
+++ b/1553/CH25/EX25.22/25Ex22.sce
@@ -0,0 +1,9 @@
+//Ch25_Ex22

+clc;

+clear;

+close;

+//since the heights are in in ratio 1:2 and perimeter in ratio 3:4; 

+//let ratio of radii be ratioR

+ratioR=(4/3); ratioH=1/2

+ratioV=((1/3)*%pi*ratioH)/((1/3)*%pi*ratioR);

+mprintf("The ratio of their volumes is %.2f",ratioV);

diff --git a/1553/CH25/EX25.23/25Ex23.sce b/1553/CH25/EX25.23/25Ex23.sce
new file mode 100644
index 000000000..2b2f99a2c
--- /dev/null
+++ b/1553/CH25/EX25.23/25Ex23.sce
@@ -0,0 +1,10 @@
+//Ch25_Ex23

+clc;

+clear;

+close;

+//since the radii are in in ratio 3:4 and heights in ratio 2:3; 

+//let ratio of radii be ratioR

+ratioR=(3/4); ratioH=2/3;

+ratioV=(%pi*ratioH*ratioR^2)/((1/3)*%pi);

+mprintf("The ratio of their volumes is %.2f",ratioV);

+

diff --git a/1553/CH25/EX25.24/25Ex24.sce b/1553/CH25/EX25.24/25Ex24.sce
new file mode 100644
index 000000000..cafd13235
--- /dev/null
+++ b/1553/CH25/EX25.24/25Ex24.sce
@@ -0,0 +1,8 @@
+//Ch25_Ex24

+clc;

+clear;

+close;

+r1=12; h1=50; r2=10;

+vol=(1/3)*(22/7)*r1^2*h1;

+h2=vol/((22/7)*r2^2);

+mprintf("The height to which liquid rises in cylindrical vessel is %.0f cm",h2);

diff --git a/1553/CH25/EX25.25/25Ex25.sce b/1553/CH25/EX25.25/25Ex25.sce
new file mode 100644
index 000000000..f9c96f709
--- /dev/null
+++ b/1553/CH25/EX25.25/25Ex25.sce
@@ -0,0 +1,8 @@
+//Ch25_Ex25

+clc;

+clear;

+close;

+r=10.5;

+vol=(4/3)*(22/7)*r^3;

+surfaceArea=4*(22/7)*r^2;

+mprintf("Volume= %.0f cubic cm\n Surface Area=%.0f square cm",vol,surfaceArea);

diff --git a/1553/CH25/EX25.26/25Ex26.sce b/1553/CH25/EX25.26/25Ex26.sce
new file mode 100644
index 000000000..d95b1fb9a
--- /dev/null
+++ b/1553/CH25/EX25.26/25Ex26.sce
@@ -0,0 +1,13 @@
+//Ch25_Ex26

+clc;

+clear;

+close;

+increasedR=50/100; 

+newR=1+increasedR;

+originalVol=(4/3)*%pi; //this formula excludes the term R since it is not given and it gets cancelled with denominator

+newVol=(4/3)*%pi*newR^3;

+originalArea=4*%pi;

+newArea=4*%pi*newR^2;

+percentIncVol=(newVol-originalVol)/originalVol;//percent increase in volume

+percentIncSurArea=(newArea-originalArea)/originalArea;

+mprintf("The increase in volume is %.1f percent and the increase in surface area is %.0f percent",percentIncVol*100,percentIncSurArea*100);

diff --git a/1553/CH25/EX25.27/25Ex27.sce b/1553/CH25/EX25.27/25Ex27.sce
new file mode 100644
index 000000000..e44e23630
--- /dev/null
+++ b/1553/CH25/EX25.27/25Ex27.sce
@@ -0,0 +1,10 @@
+//Ch25_Ex27

+clc;

+clear;

+close;

+dl=1; rl=dl/2; //diameter and radius of lead ball

+ds=12; rs=ds/2;//diamerer and radius of sphere

+volS=(4/3)*%pi*rs^3;

+volL=(4/3)*%pi*rl^3;

+noBalls=volS/volL;

+mprintf("THe number of lead balls are %d",noBalls);

diff --git a/1553/CH25/EX25.28/25Ex28.sce b/1553/CH25/EX25.28/25Ex28.sce
new file mode 100644
index 000000000..3839a4c4f
--- /dev/null
+++ b/1553/CH25/EX25.28/25Ex28.sce
@@ -0,0 +1,10 @@
+//Ch25_Ex28

+clc;

+clear;

+close;

+db=1.5; rb=db/2; //diameter and radius of bullet

+rc=6; hc=28;//radius and height of cylinder

+volC=%pi*rc^2*hc;

+volB=(4/3)*%pi*rb^3;

+noBullets=volC/volB;

+mprintf("THe number of bullets are %d",noBullets);

diff --git a/1553/CH25/EX25.29/25Ex29.sce b/1553/CH25/EX25.29/25Ex29.sce
new file mode 100644
index 000000000..b690bf440
--- /dev/null
+++ b/1553/CH25/EX25.29/25Ex29.sce
@@ -0,0 +1,9 @@
+//Ch25_Ex29

+clc;

+clear;

+close;

+dw=4; rw=dw/2; //diameter and radius wire

+ds=18; rs=ds/2;//diamerer and radius of sphere

+volS=(4/3)*%pi*rs^3;

+hw=volS/(%pi*rw^2);

+mprintf("THe length of wire is %.0f m",hw);

diff --git a/1553/CH25/EX25.3/25Ex3.sce b/1553/CH25/EX25.3/25Ex3.sce
new file mode 100644
index 000000000..49c721c72
--- /dev/null
+++ b/1553/CH25/EX25.3/25Ex3.sce
@@ -0,0 +1,16 @@
+//Ch25_Ex3

+clc;

+clear;

+close;

+volume=12.8;      //Given

+x=poly(3,"x");

+40*x*5*x*x==12.8;    //volume=l*b*h and l=40*x, h=5*x, b=x

+

+//polynomial is 200*x^3-12.8=0;

+//let s=x^3

+s=12.8/200;

+s=nthroot(s,3);

+

+b=s*100;    //converting meter into centimeter

+printf("The breadth is: %d cm",b);

+

diff --git a/1553/CH25/EX25.30/25Ex30.sce b/1553/CH25/EX25.30/25Ex30.sce
new file mode 100644
index 000000000..bbbe2383e
--- /dev/null
+++ b/1553/CH25/EX25.30/25Ex30.sce
@@ -0,0 +1,8 @@
+//Ch25_Ex30

+clc;

+clear;

+close;

+h1=4.1; h2=4.3; r=2.1

+volS=(1/3)*%pi*r^2*(h1+h2);

+R=nthroot(volS/((4/3)*%pi),3);

+mprintf("The diameter of sphere is %.1f cm",R*2);

diff --git a/1553/CH25/EX25.32/25Ex32.sce b/1553/CH25/EX25.32/25Ex32.sce
new file mode 100644
index 000000000..8e4881b5e
--- /dev/null
+++ b/1553/CH25/EX25.32/25Ex32.sce
@@ -0,0 +1,9 @@
+//Ch25_Ex32

+clc;

+clear;

+close;

+r=10.5;

+vol=(2/3)*(22/7)*r^3;

+curved=2*(22/7)*r^2;

+total=3*(22/7)*r^2;

+mprintf("Volume=%.1f cubic cm\n Curved surface area=%.0f square cm\n Total surface area=%.1f square cm",vol,curved,total);

diff --git a/1553/CH25/EX25.33/25Ex33.sce b/1553/CH25/EX25.33/25Ex33.sce
new file mode 100644
index 000000000..85a55b9f4
--- /dev/null
+++ b/1553/CH25/EX25.33/25Ex33.sce
@@ -0,0 +1,9 @@
+//Ch25_Ex33

+clc;

+clear;

+close;

+r1=9; d2=3; r2=d2/2; h=4;

+volBowl=(2/3)*%pi*r1^3;

+vol1bottle=(%pi)*r2^2*h;

+noBottles=volBowl/vol1bottle;

+mprintf("The number of bottles required are %.0f",noBottles);

diff --git a/1553/CH25/EX25.4/25Ex4.sce b/1553/CH25/EX25.4/25Ex4.sce
new file mode 100644
index 000000000..8770bb920
--- /dev/null
+++ b/1553/CH25/EX25.4/25Ex4.sce
@@ -0,0 +1,14 @@
+//Ch25 Ex 4

+clc;

+clear;

+close;

+

+lb=24; bb=12; hb=8; //dimensions of brick

+lw=2400; bw=800; hw=60; //converting meter to centimeter

+mortar=10/100;

+remaining=1-mortar;

+volWall=lw*bw*hw;

+volBricks=remaining*(volWall);

+vol1brick=lb*bb*hb; //volume of 1 brick

+noBricks=volBricks/vol1brick; //number of bricks required

+mprintf("The number od=f bricks required are %d",noBricks); 

diff --git a/1553/CH25/EX25.5/25Ex5.sce b/1553/CH25/EX25.5/25Ex5.sce
new file mode 100644
index 000000000..bd5157127
--- /dev/null
+++ b/1553/CH25/EX25.5/25Ex5.sce
@@ -0,0 +1,13 @@
+//Ch25_Ex5

+clc;

+clear;

+close;

+lt=200; bt=150; //dimensions of tank

+lp=1.5; bp=1.25; //dimensions of pipe

+rise=2

+speed=20*1000/60; //converting speed into meter/min

+volreq=lt*bt*rise;

+length1min=speed*1; //length of water column flown in 1 min

+vol1min=lp*bp*length1min;

+time=volreq/vol1min;

+mprintf("The time required is %d min",time);

diff --git a/1553/CH25/EX25.6/25Ex6.sce b/1553/CH25/EX25.6/25Ex6.sce
new file mode 100644
index 000000000..bf00c0da5
--- /dev/null
+++ b/1553/CH25/EX25.6/25Ex6.sce
@@ -0,0 +1,10 @@
+//Chapter 25 Ex 6

+clc;

+clear;

+close;

+ExtVol=50*40*23; //given

+IntVol=44*34*20; //given

+Metal_vol=ExtVol-IntVol;

+

+Weight=(Metal_vol*0.5)/1000;

+printf("Weight of box is %2.2f kg",Weight);

diff --git a/1553/CH25/EX25.7/25Ex7.sce b/1553/CH25/EX25.7/25Ex7.sce
new file mode 100644
index 000000000..e75d26196
--- /dev/null
+++ b/1553/CH25/EX25.7/25Ex7.sce
@@ -0,0 +1,8 @@
+//Chapter 25 Ex 7

+clc;

+clear;

+close;

+a=(6*sqrt(3))/sqrt(3);...//since diagonal of a cube=sqrt(3)*side;

+Volume=a^3;

+Sur_area=6*a^2;

+printf("The volume of cube is %d cubic meter \n Surface area is %d centimeter square.",Volume,Sur_area);

diff --git a/1553/CH25/EX25.8/25Ex8.sce b/1553/CH25/EX25.8/25Ex8.sce
new file mode 100644
index 000000000..ed01d0bc6
--- /dev/null
+++ b/1553/CH25/EX25.8/25Ex8.sce
@@ -0,0 +1,9 @@
+//chapter 25 ex 8

+clc;

+clear;

+close;

+

+a=sqrt(1734/6);      //given surface area=1734 and by formula surface area=6*a^2

+

+volume=a^3;

+printf("The volume of cube is %d cubic cm",volume);

diff --git a/1553/CH25/EX25.9/25Ex9.sce b/1553/CH25/EX25.9/25Ex9.sce
new file mode 100644
index 000000000..8b6383c82
--- /dev/null
+++ b/1553/CH25/EX25.9/25Ex9.sce
@@ -0,0 +1,11 @@
+//chapter 25 EX 9

+clc;

+clear;

+close;

+l=6; b=12; h=15;

+volume=l*b*h;

+

+side_largest=gcd(int32([l b h]));   //side of largest cube

+vol_largestcube=side_largest^3;

+num_of_cubes=volume/vol_largestcube;

+printf("The least possible cubes are %d",(volume/vol_largestcube));