How many tow digit number are divided by3
Answers
Answered by
3
hyy mate ur answer is 33
dianapriya:
Can u plz explain .??
Answered by
4
HEY!!
here is ur answer....
The A.P. will be 12, 15, 18, 21, ………….99
We need to find n
Last term of this series is 99
So, an= 99 & a = 12
d = 15 – 12 = 3
Now,
an = a + (n – 1) d
Putting values
99 = 12 + (n – 1) (3)
99 = 12 + 3n – 3
99 = 9 + 3n
3n = 99 – 9
3n = 90
n = 90/3
n= 30
Therefore , there are 30 two digit numbers divisible by 3.
HOPE THIS HELPS YOU....
here is ur answer....
The A.P. will be 12, 15, 18, 21, ………….99
We need to find n
Last term of this series is 99
So, an= 99 & a = 12
d = 15 – 12 = 3
Now,
an = a + (n – 1) d
Putting values
99 = 12 + (n – 1) (3)
99 = 12 + 3n – 3
99 = 9 + 3n
3n = 99 – 9
3n = 90
n = 90/3
n= 30
Therefore , there are 30 two digit numbers divisible by 3.
HOPE THIS HELPS YOU....
Similar questions