Question 181

If 54 + 43 = 2, 60 + 51 = 10,then 62 + 72 = ?

Solution

The pattern followed is that the difference of the digits is added.

Eg = $$(5-4)+(4-3)=1+1=2$$

and $$(6-0)+(5-1)=6+4=10$$

Similarly, $$(6-2)+(7-2)=4+5=9$$

=> Ans - (D)

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