Pls any one answer these
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Q1) Let’s try a two digit number X with digits A and B
X = 10A + B
And since the number X is 3 times the sum of digits
X = 3(A +B) = 3A + 3B
Set the equations equal
10A + B = 3A + 3B
Reduces to 7A = 2B
Since A and B are less than 10 (they are digits) then A must equal 2 and B equals 7
So X is 27. Verifying the result: sum of digits is 9, and 3 x 9 = 27
Hope this helps....
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Answer: Q4a
Q4 if we are in -2 and we have to move to 7 then we will move in right direction
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