How many 3 digit even positive numbers can be formef from the digit 0to9 if the gigits can be repeated?
I am surely give mark as brainly.
Answers
Answered by
0
500 is correct answer.
satender74:
your answer is wrong please send right answer with solution
Answered by
0
the first one 100 = a(first term)
last one is 998= tn(last term)
d=2 ( difference in digits)
n=? (number of terms)
tn= a+(n-1)d ( ap formula )
998=100(n-1)2
898/2=n-1
449+1=n
500=n
500 hundred three digit number can be formed
last one is 998= tn(last term)
d=2 ( difference in digits)
n=? (number of terms)
tn= a+(n-1)d ( ap formula )
998=100(n-1)2
898/2=n-1
449+1=n
500=n
500 hundred three digit number can be formed
Similar questions