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Question : 136 of 250
Marks:
+1,
-0
Solution:
(e) Let four consecutive numbers are
A = (x), B = (x +1), C = (x + 2) and D = (x +3)
According to question
Average=
⇒
56.5=⇒226=4x+6⇒4x=226−6=220∴x==55∴Product of A and C
=(x)×(x+2)=(55)×(55+2)=55×57=3135
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