Question

How many two digit numbers are divisible by 4 ​

Answer 1

Step-by-step explanation:

this we can find by AP

as,

AP:-12,16,20.........96

a=12

d=4

an=96

an=a+(n-1)d

96=12+(n-1)4

84/4=n-1

n-1=21

n=22

so there are 22 2-digit number divisible by 4....

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Answer 2

Answer:

an=12+(n-1) 4

96=12+(n-1) 4

96-12=(n-1) 4

84/4=n-1

21+1=n

n=22

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