If 6×7=2, 3×5=5 and 5×8=0 then the value of 6×8-

(a) 8
(b) 6
(c) 68
(d) 0

Anurag Mishra Professor Asked on 8th March 2016 in Reasoning Questions.
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1 Answer(s)

Answer: (a) 8 

Solution:-
6 x 7 = 42
Then, the unit digit of 42 is 2. 

3 x 5 = 15
Then, the unit digit of 15 is 5. 

5 x 8 = 40 
Then, unit digit of 40 is 0. 

Same as, 
6 x 8 = 48
Then, the unit digit of 48 is 8. 

Hence, the correct answer is option (a) 8. 

Anurag Mishra Professor Answered on 8th March 2016.
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