Question 15

If 879= 8,
625= 1,
586= 9,
then 785 = ?

Solution

In each number, the first digit is subtracted from the sum of last two digits.

Eg : $$879=(7+9)-8=16-8=8$$

and $$625=(2+5)-6=7-6=1$$

and $$586=(8+6)-5=14-5=9$$

Similarly, $$785=(8+5)-7=13-7=6$$

=> Ans - (A)

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If 879= 8,625= 1, 586= 9, then 785 = ?