Question

How many natural numbers are there between 200 and 500, which are divisible by 7? (2011OD)

Answer 1

Answer:

43 numbers

43 numbers are divisible by 7 between 200-500.

Answer 2

Answer:

43 Natural Numbers

Step-by-step explanation:

203, 210, 217, …, 497

Here,

First Term , a = 203

Common Difference , d = 210 – 203 = 7

$a_n=497$

∴ a + (n – 1) d = an

203 + (n – 1) 7 = 497

(n – 1) 7 = 497 – 203 = 294

n – 1 = 294/7 = 42 ∴ n = 42 + 1 = 43

Hence,

There are 43 natural nos. between 200 and 500 which are divisible by 7.

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