Question

13) 831 is to 25 as 731 is to ----?
a) 22 b) 25 c) 21
d) 18​

Answer 1

Answer:

a2-a1=756-731=25; a3-a2=781-756=25; a4-a3=806-781= 25; a5-a4=831-806=25 ... =1206; a21 =a1+(n-1)*d =731+(21 -1)*25 =1231; a22 =a1+(n-1)*d =731+(22-1)*25 =1256; a23

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