Question

A box contains ball number 1to 70 find the probability that a ball drawn randomly is a multiple of 4​

Answer 1

Answer:

the probability is 17/80

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Answer 2

Answer:

n= 17

Step-by-step explanation:

lets do it in terms of ap

let a= 4

d= 4

an =70

n=?

an = a+(n-1)d

so we get

70=4+(n-1)4

66 =(n-1)4

n=66÷4+1

n=16+1

n=17

there fore ans is 17/ 70