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Hey,

The answer is 60.

Method 1: To arrive at the answer, we can either list down all the multiples of 4 between 10 and 250 and count them. This however is a little time consuming. So, lets move onto the other alternatives.

Method 2: First let us find the number of multiples of 4 between 1 and 10 which would be 10/4=2.5

Number of multiples of 4 between 1 and 250 = 250/4=62.5

So, the number of multiples of 4 between 10 and 250 would be

(Number of multiples of 4 between 1 and 250) – (Number of multiples of 4 between 1 and 10)

62.5−2.5=60

Method 3: We need to find the number of multiples of 4 between 10 and 250.

The list of numbers would be as follows:

12,16,20,24,28,32,36,40,……..248.

The above list is an arithmetic series/arithmetic progression where the first number is 12, the last number is 248 and the common difference between the numbers is 4.

The nth term in an arithmetic sequence = a + (n-1)*d where a is the first term, d is the common difference.

In the arithmetic series above, a =12, d = 4 and let us assume there are n terms and we need to find the value of n. We know that the value of the last term i.e. nth term is 248.

So, 248=12+(n−1)∗4

248=12+4n−4

248=4n+8

248–8=4n

240=4n

n=240/4=60

Thus, 248 is the 60th term in the series and hence there are 60 terms in the series.

Therefore number of multiples of 4 between 10 and 250 is 60.

## Answers ( )

➟This is an Arithmetic progression (AP)

Given:-To find:-Solution:-We know that,

⤇⤇⤇⤇⤇⤇⤇⤇Hence,60 multiples of 4 lies between 10 and 250.More Information:–Sequence:–How many multiples of 4 lie between 10 and 250?

Don’t miss vaccination. Lockdown diseases, not childhood.

Hey,

The answer is 60.

Method 1: To arrive at the answer, we can either list down all the multiples of 4 between 10 and 250 and count them. This however is a little time consuming. So, lets move onto the other alternatives.

Method 2: First let us find the number of multiples of 4 between 1 and 10 which would be 10/4=2.5

Number of multiples of 4 between 1 and 250 = 250/4=62.5

So, the number of multiples of 4 between 10 and 250 would be

(Number of multiples of 4 between 1 and 250) – (Number of multiples of 4 between 1 and 10)

62.5−2.5=60

Method 3: We need to find the number of multiples of 4 between 10 and 250.

The list of numbers would be as follows:

12,16,20,24,28,32,36,40,……..248.

The above list is an arithmetic series/arithmetic progression where the first number is 12, the last number is 248 and the common difference between the numbers is 4.

The nth term in an arithmetic sequence = a + (n-1)*d where a is the first term, d is the common difference.

In the arithmetic series above, a =12, d = 4 and let us assume there are n terms and we need to find the value of n. We know that the value of the last term i.e. nth term is 248.

So, 248=12+(n−1)∗4

248=12+4n−4

248=4n+8

248–8=4n

240=4n

n=240/4=60

Thus, 248 is the 60th term in the series and hence there are 60 terms in the series.

Therefore number of multiples of 4 between 10 and 250 is 60.

Hope this helps.

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