Question

q How many multiples of 4 lie beween 10 f 250
IS AP: 8 12 16.RO
248​

Answer 1

Multiples if 4 between 10 and 250 are 60.

Step-by-step explanation:

Clearly, the numbers between 10 and 250 which are multiple of 4 are 12,16,20,...,248.

This is an AP with first term a=12, common difference d=4.

Let there be n terms in this AP, then

an =248

⇒a+(n−1)d=248

⇒12+(n−1)×4=248

⇒(n−1)=59

⇒n=60

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Answer 2

Answer:

There are 60 multiples of 4 between 10 and 250

Step-by-step explanation:

We know that the numbers between 10 and 250 which are the multiples of 4 is 12, 16, 20,.......,248

Thus,

Let the first term a = 12 and common difference d = 4

Then we know last term = 248

a(nth) = 248

we know that,

a(nth) = a + (n - 1)d

Hence,

248 = 12 + (n - 1)4

4(n - 1) = 248 - 12 = 236

n - 1 = 236/4 = 59

n = 60

Hence, there are 60 multiples of 4 between 10 and 250