Question

1.     Find the number of terms from 1 to 1000, which are divisible by 7. 
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Answer 1

Answer:

142.8571

Step-by-step explanation:

dividing 1000 by 7, 1000/7=142.8571

Good morning bro..

Answer 2

First one we write a series of number are divisible by 7 ;

7 , 14 , 21 , ……… , 994

Mathematics formula of series of same different between all two elements .

Formula is :-

L = a + (n - 1)d

So , here

L = last number = 994

a = start number = 7

n = how many number are divisible by 7 ?

d = different between two number = 7

So we put all value in formula

994 = 7 + (n - 1) 7

994 - 7 = (n - 1) 7

987 = (n - 1 ) 7

987 / 7 = n - 1

n - 1 = 141

So, n = 142

Means 142 numbers are between 1 to 1000 are divisible by 7 .

Step-by-step explanation:

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