bro.,can you just explain how the answer came?
MUKIL, proud to be a member of Vidyarthiplus.com (V+) - Online Students Community since Mar 2013.
@Mukil
explanation :
1) Faster one can do 1/2 of work in one hourslower one can do 1/3 of work in one hourboth they do (1/2+1/3=5/6) th work in one hour.so work will b finished in 6/5=1.2 hour i e 1 hour 12 min.
2) Volume of rectangle:- l*b*h= 8*11*2=176 Volume of rod:- (22/7)*(r^2)*l=(22/7)*(4^2)*lSolving(22/7)*16*l=176(22/7)*l=11l=7/2l=3.5 inchesThe length of rod is 3.5 inches
"Good Decision comes from Experience"
But,
"Experience comes from Bad Decision"
-Abdul Kalam
