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In the following number series only one number is wrong. Find the wrong number.39 43 51 60 87 110 167
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By: anil on 05 May 2019 01.36 am
This question has a very interesting pattern , 43 - 39 = 4 = $$(2)^2$$ 51- 43 =8 = $$(2)^3$$ 60 - 51 = 9 = $$(3)^2$$ 87 - 60 = 27 = $$(3)^3$$ As we can see that differences between consecutive terms are of the for $$(n)^2$$ and then $$(n)^3$$ So after 87 a number should come so that y - 87 = 16 = $$(4)^2$$ which implies y = 103 But the number given is 110 and hence 110 is the odd one out .
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