Question

How many three digit number are between 97 &201, which are divisible by 3?





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Answer 1

AP : 102,105......198

Here, a=102;d=3;an=198;n=?

an=a+(n-1)d

198=102+(n-1)3

198-102/3=n-1

32+1=n

33=n

∴There are 33 numbers.

: )

Answer 2

Answer:

n=33

Step-by-step explanation:

how to find last number 201-3 then u find last number

so ap will be

AP:102,105,------198

using formula

an =a +(n-1)d

198 = 102 +(n-1)3

198-102=n-1×3

96/3 = n-1

n =33

Answer