Question

What
is the sum of the five positiv
Integes civisible by 6.​

Answer 1

Answer:

120

Step-by-step explanation:

First of all we need to find the number that are-

6×2=12

6×3=18

6×4=24

6×5=30

6×6=36

Now we have to add them all so that

we can get the answer-

12+18+24+30+36=120

Answer 2

Answer:

If this question is asked from secondary level syllabus, then it will be solved as:

The first 5 positive integers divisible by 6 are = 6, 12, 18, 24, 30

It is an arithmetic series

a1 =6

d=6

n=5

last term is 30

Sn = n(a+l)/2

S5 = 5 ( 6+30)/2

S5 = 5 (36)/2

S5 = 5 X 18

S5 = 90 Ans.

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Alternative method for middle class students,

1st 5 positive integers divisible by 6 are :

6, 12, 18, 24, 30

sum =(6+12+18+24+30)

Sum = 90 Ans

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