please explain in terms of  future scope and placements .

which is better in b.tech: IT or electronics &communication

for chem (iit) -

together with chem (objective)

for physics -tmh , d. mukherjee

for maths -

coordinate - s.l.loney (subj)

calculus - maron(subj)

tata macgrath hills (objective)

are good  in my view in many ways.

 ans - 4th obtn 20 g

so my ans is a)

hope u geddit !!!!!!!!!!!

short trick-

no. of u.c. = moles *N_o / Z

where N_o = avagadro's no.

Z = rank of u.c.

moles = w / m