1 files changed, 12 insertions, 0 deletions
diff --git a/1553/CH2/EX2.21/2Ex21.sce b/1553/CH2/EX2.21/2Ex21.sce
new file mode 100644
index 000000000..52fe4486d
--- /dev/null
+++ b/1553/CH2/EX2.21/2Ex21.sce
@@ -0,0 +1,12 @@
+//chapter 2 Ex 21
+clc;
+clear;
+close;
+t1=48; t2=72; t3=108;
+Hours=8; Min=20;
+t=lcm(int32([t1,t2,t3]));
+Lcm=double(t);
+mins=Min+(t/60);
+Sec=pmodulo(Lcm,60);
+mprintf("The required time is %d min and %d sec",t/60,Sec);
+mprintf("\n Thus simultaneous change will take place at %d hours %d mins and %d secs",Hours,mins,Sec);