Question

please help me please 4,5,6,7,8,9,10,yeh sara question btaiye copy mein solve kijiye pic send kijiye clear kijiye please help me please help me​

Answer 1

4.First we need to find the TSA of box

So,

TSA=2(lb+bh+lh)

=2(45*30+30*30*+45*30)

=2(1450+900+1450)

=2*3800

=7600 sq cm

Now for such 25 boxes,

7600*25

=190000 sq cm

=19 sq m