bhavin_3
Par 100 posts (V.I.P)
Hey Guyz hw abt crackin dis out.. A Step To Cat..!!
. a group of new students who total age is 221
> years
> >joins a class, becoz if which the strength of the
> >class goes up by 50% but the avg age of the class
> >comes down by 1 year. whats the new avg of the
> class?
> >if it is known to be a natural number after the new
> >group of students have joined, given that the
> original
> >strength of the class was a digit number greater
> than
> >30
.
2.how many 4 digit numbers that are divisible by 4
> can
> >be formed by using the digits 0 to 7 if no digit is
> to
> >occur more than once
> >Optionz orite givin don worry choose frm below
> >520, 370, 345, 510
. a group of new students who total age is 221
> years
> >joins a class, becoz if which the strength of the
> >class goes up by 50% but the avg age of the class
> >comes down by 1 year. whats the new avg of the
> class?
> >if it is known to be a natural number after the new
> >group of students have joined, given that the
> original
> >strength of the class was a digit number greater
> than
> >30
.
2.how many 4 digit numbers that are divisible by 4
> can
> >be formed by using the digits 0 to 7 if no digit is
> to
> >occur more than once
> >Optionz orite givin don worry choose frm below
> >520, 370, 345, 510