How many multiples of 4 lie between 20 and 300
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70
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Answer:D
We will slove this question with the concept of A.P.
We have to find multiples between 20 to 300, so we don't have to include 20 or 300 even if they are factors because we have to multiples between them.
a=24
d=4
an = a+( n -1 )d
296= 24+(n -1) 4
272=(n -1)4
272/4 =n - 1
68 = n-1
n =69.
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